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Home Class 12 Physics NCERT Solutions for Class 12 Physics Chapter 2 Electrostatic Potential And Capacitance
Class 12 Physics
NCERT Solutions for Class 12 Physics Chapter 2 Electrostatic Potential And Capacitance
Here is a step by step NCERT Solutions for Class 12 Physics Chapter 2 Electrostatic Potential And Capacitance. This solutions covers all questions of Physics Solutions Chapter 2 Electrostatic Potential And Capacitance Class 12 as per CBSE Board guidelines from the latest NCERT book for class 12 Physics. Following topics and sub-topics in Class 12 Physics Solutions Chapter 2 Electrostatic Potential And Capacitance are covered.
Electrostatic Potential and Capacitance NCERT Solutions – Class 12 Physics
Exercise : Solutions of Questions on Page Number : 87
Q1 : Two charges 5 x 10-8 C and -3 x 10-8 C are located 16 cm apart. At what point(s) on the line joining the two charges is the electric potential zero? Take the potential at infinity to be zero.
There are two charges,
Distance between the two charges, d = 16 cm = 0.16 m
Consider a point P on the line joining the two charges, as shown in the given figure.
r = Distance of point P from charge q1
Let the electric potential (V) at point P be zero.
Potential at point P is the sum of potentials caused by charges q1 and q2 respectively.
= Permittivity of free space
For V = 0, equation (i) reduces to
Therefore, the potential is zero at a distance of 10 cm from the positive charge between the charges.
Suppose point P is outside the system of two charges at a distance s from the negative charge, where potential is zero, as shown in the following figure.
For this arrangement, potential is given by,
For V = 0, equation (ii) reduces to
Therefore, the potential is zero at a distance of 40 cm from the positive charge outside the system of charges.
Q2 : A regular hexagon of side 10 cm has a charge 5 µC at each of its vertices. Calculate the potential at the centre of the hexagon.
The given figure shows six equal amount of charges, q, at the vertices of a regular hexagon.
Charge, q = 5 µC = 5 × 10 – 6 C
Side of the hexagon, l = AB = BC = CD = DE = EF = FA = 10 cm
Distance of each vertex from centre O, d = 10 cm
Electric potential at point O,
Therefore, the potential at the centre of the hexagon is 2.7 × 106 V.
Q3 : Two charges 2 μC and -2 µC are placed at points A and B 6 cm apart.
(a) Identify an equipotential surface of the system.
(b) What is the direction of the electric field at every point on this surface?
(a) The situation is represented in the given figure.
An equipotential surface is the plane on which total pothttp://ential is zero everywhere. This plane is normal to line AB. The plane is located at the mid-point of line AB because the magnitude of charges is the same.
(b) The direction of the electric field at every point on this surface is normal to the plane in the direction of AB.
Q4 : A spherical conductor of radius 12 cm has a charge of 1.6 x 10-7C distributed uniformly on its surface. What is the electric field
(a) Inside the sphere
(b) Just outside the sphere
(c) At a point 18 cm from the centre of the sphere?
(a) Radius of the spherical conductor, r = 12 cm = 0.12 m
Charge is uniformly distributed over the conductor, q = 1.6 × 10 – 7 C
Electric field inside a spherical conductor is zero. This is because if there is field inside the conductor, then charges will move to neutralize it.
(b) Electric field E just outside the conductor is given by the relation,
Therefore, the electric field just outside the sphere is
(c) Electric field at a point 18 m from the centre of the sphere = E1
Distance of the point from the centre, d = 18 cm = 0.18 m
Therefore, the electric field at a point 18 cm from the centre of the sphere is
Q5 : A parallel plate capacitor with air between the plates has a capacitance of 8 pF (1pF = 10-12 F). What will be the capacitance if the distance between the plates is reduced by half, and the space between them is filled with a substance of dielectric constant 6?
Capacitance between the parallel plates of the capacitor, C = 8 pF
Initially, distance between the parallel plates was d and it was filled with air. Dielectric constant of air, k = 1
Capacitance, C, is given by the formula,
A = Area of each plate
If distance between the plates is reduced to half, then new distance, d' =
Dielectric constant of the substance filled in between the plates,
Hence, capacitance of the capacitor becomes
Taking ratios of equations (i) and (ii), we obtain
Therefore, the capacitance between the plates is 96 pF.
Q6 : Three capacitors each of capacitance 9 pF are connected in series.
(a) What is the total capacitance of the combination?
(b) What is the potential difference across each capacitor if the combination is connected to a 120 V supply?
(a) Capacitance of each of the three capacitors, C = 9 pF
Equivalent capacitance (C') of the combination of the capacitors is given by the relation,
Therefore, total capacitance of the combination is .
(b) Supply voltage, V = 100 V
Potential difference (V') across each capacitor is equal to one-third of the supply voltage.
Therefore, the potential difference across each capacitor is 40 V.
Q7 : Three capacitors of capacitances 2 pF, 3 pF and 4 pF are connected in parallel.
(b) Determine the charge on each capacitor if the combination is connected to a 100 V supply.
(a) Capacitances of the given capacitors are
For the parallel combination of the capacitors, equivalent capacitoris given by the algebraic sum,
Therefore, total capacitance of the combination is 9 pF.
The voltage through all the three capacitors is same = V = 100 V
Charge on a capacitor of capacitance C and potential difference V is given by the relation,
q = VC … (i)
For C = 2 pF,
Q8 : In a parallel plate capacitor with air between the plates, each plate has an area of 6 x 10-3 m2 and the distance between the plates is 3 mm. Calculate the capacitance of the capacitor. If this capacitor is connected to a 100 V supply, what is the charge on each plate of the capacitor?
Area of each plate of the parallel plate capacitor, A = 6 × 10 – 3 m2
Distance between the plates, d = 3 mm = 3 × 10 – 3 m
Supply voltage, V = 100 V
Capacitance C of a parallel plate capacitor is given by,
= 8.854 × 10 – 12 N – 1 m – 2 C – 2
Therefore, capacitance of the capacitor is 17.71 pF and charge on each plate is 1.771 × 10 – 9 C.
Q9 : Explain what would happen if in the capacitor given in Exercise 2.8, a 3 mm thick mica sheet (of dielectric constant = 6) were inserted between the plates,
(a) While the voltage supply remained connected.
(b) After the supply was disconnected.
(a) Dielectric constant of the mica sheet, k = 6
Initial capacitance, C = 1.771 × 10 – 11 F
Potential across the plates remains 100 V.
(b) Dielectric constant, k = 6
If supply voltage is removed, then there will be no effect on the amount of charge in the plates.
Charge = 1.771 × 10 – 9 C
Potential across the plates is given by,
Q10 : A 12 pF capacitor is connected to a 50V battery. How much electrostatic energy is stored in the capacitor?
Capacitor of the capacitance, C = 12 pF = 12 × 10 – 12 F
Potential difference, V = 50 V
Electrostatic energy stored in the capacitor is given by the relation,
Therefore, the electrostatic energy stored in the capacitor is
Q11 : A 600 pF capacitor is charged by a 200 V supply. It is then disconnected from the supply and is connected to another uncharged 600 pF capacitor. How much electrostatic energy is lost in the process?
Capacitance of the capacitor, C = 600 pF
Potential difference, V = 200 V
Electrostatic energy stored in the capacitor is given by,
If supply is disconnected from the capacitor and another capacitor of capacitance C = 600 pF is connected to it, then equivalent capacitance (C') of the combination is given by,
New electrostatic energy can be calculated as
Therefore, the electrostatic energy lost in the process is
Q12 : A charge of 8 mC is located at the origin. Calculate the work done in taking a small charge of -2 x 10-9 C from a point P (0, 0, 3 cm) to a point Q (0, 4 cm, 0), via a point R (0, 6 cm, 9 cm).
Charge located at the origin, q = 8 mC= 8 × 10 – 3 C
Magnitude of a small charge, which is taken from a point P to point R to point Q, q1 = – 2 × 10 – 9 C
All the points are represented in the given figure.
Point P is at a distance, d1 = 3 cm, from the origin along z-axis.
Point Q is at a distance, d2 = 4 cm, from the origin along y-axis.
Potential at point P,
Potential at point Q,
Work done (W) by the electrostatic force is independent of the path.
Therefore, work done during the process is 1.27 J.
Q13 : A cube of side b has a charge q at each of its vertices. Determine the potential and electric field due to this charge array at the centre of the cube.
Length of the side of a cube = b
Charge at each of its vertices = q
A cube of side b is shown in the following figure.
d = Diagonal of one of the six faces of the cube
l = Length of the diagonal of the cube
The electric potential (V) at the centre of the cube is due to the presence of eight charges at the vertices.
Therefore, the potential at the centre of the cube is
The electric field at the centre of the cube, due to the eight charges, gets cancelled. This is because the charges are distributed symmetrically with respect to the centre of the cube. Hence, the electric field is zero at the centre.
Q14 : Two tiny spheres carrying charges 1.5 μC and 2.5 μC are located 30 cm apart. Find the potential and electric field:
(a) at the mid-point of the line joining the two charges, and
(b) at a point 10 cm from this midpoint in a plane normal to the line and passing through the mid-point.
Two charges placed at points A and B are represented in the given figure. O is the mid-point of the line joining the two charges.
Magnitude of charge located at A, q1 = 1.5μC
Magnitude of charge located at B, q2 = 2.5μC
Distance between the two charges, d = 30 cm = 0.3 m
(a) Let V1 and E1 are the electric potential and electric field respectively at O.
V1 = Potential due to charge at A + Potential due to charge at B
∈0 = Permittivity of free space
E1 = Electric field due to q2 – Electric field due to q1
Therefore, the potential at mid-point is 2.4 × 105 V and the electric field at mid-point is 4× 105 V m – 1. The field is directed from the larger charge to the smaller charge.
(b) Consider a point Z such that normal distance OZ = 10 cm = 0.1 m, as shown in the following figure.
V2 and E2 are the electric potential and electric field respectively at Z.
It can be observed from the figure that distance,
V2= Electric potential due to A + Electric Potential due to B
Electric field due to q at Z,
Electric field due to q2 at Z,
The resultant field intensity at Z,
Where, 2θis the angle, ∠AZ B
From the figure, we obtain
Therefore, the potential at a point 10 cm (perpendicular to the mid-point) is 2.0 × 105 V and electric field is 6.6 ×105 V m – 1.
Q15 : A spherical conducting shell of inner radius r1 and outer radius r2 has a charge Q.
(a) A charge q is placed at the centre of the shell. What is the surface charge density on the inner and outer surfaces of the shell?
(b) Is the electric field inside a cavity (with no charge) zero, even if the shell is not spherical, but has any irregular shape? Explain.
(a) Charge placed at the centre of a shell is +q. Hence, a charge of magnitude – q will be induced to the inner surface of the shell. Therefore, total charge on the inner surface of the shell is – q.
Surface charge density at the inner surface of the shell is given by the relation,
A charge of +q is induced on the outer surface of the shell. A charge of magnitude Q is placed on the outer surface of the shell. Therefore, total charge on the outer surface of the shell is Q + q. Surface charge density at the outer surface of the shell,
(b) Yes
The electric field intensity inside a cavity is zero, even if the shell is not spherical and has any irregular shape. Take a closed loop such that a part of it is inside the cavity along a field line while the rest is inside the conductor. Net work done by the field in carrying a test charge over a closed loop is zero because the field inside the conductor is zero. Hence, electric field is zero, whatever is the shape.
Q16 : (a) Show that the normal component of electrostatic field has a discontinuity from one side of a charged surface to another given by
Where is a unit vector normal to the surface at a point and ÃÆ' is the surface charge density at that point. (The direction of is from side 1 to side 2.) Hence show that just outside a conductor, the electric field is ÃÆ'
(b) Show that the tangential component of electrostatic field is continuous from one side of a charged surface to another. [Hint: For (a), use Gauss's law. For, (b) use the fact that work done by electrostatic field on a closed loop is zero.]
(a) Electric field on one side of a charged body is E1 and electric field on the other side of the same body is E2. If infinite plane charged body has a uniform thickness, then electric field due to one surface of the charged body is given by,
= Unit vector normal to the surface at a point
σ = Surface charge density at that point
Electric field due to the other surface of the charged body,
Electric field at any point due to the two surfaces,
Since inside a closed conductor,
= 0,
Therefore, the electric field just outside the conductor is
(b) When a charged particle is moved from one point to the other on a closed loop, the work done by the electrostatic field is zero. Hence, the tangential component of electrostatic field is continuous from one side of a charged surface to the other.
Q17 : A long charged cylinder of linear charged density λ is surrounded by a hollow co-axial conducting cylinder. What is the electric field in the space between the two cylinders?
Charge density of the long charged cylinder of length L and radius r is λ.
Another cylinder of same length surrounds the pervious cylinder. The radius of this cylinder is R.
Let E be the electric field produced in the space between the two cylinders.
Electric flux through the Gaussian surface is given by Gauss's theorem as,
Where, d = Distance of a point from the common axis of the cylinders
Let q be the total charge on the cylinder.
It can be written as
q = Charge on the inner sphere of the outer cylinder
Therefore, the electric field in the space between the two cylinders is.
Q18 : In a hydrogen atom, the electron and proton are bound at a distance of about 0.53Å
(a) Estimate the potential energy of the system in eV, taking the zero of the potential energy at infinite separation of the electron from proton.
(b) What is the minimum work required to free the electron, given that its kinetic energy in the orbit is half the magnitude of potential energy obtained in (a)?
(c) What are the answers to (a) and (b) above if the zero of potential energy is taken at 1.06Å separation?
The distance between electron-proton of a hydrogen atom,
Charge on an electron, q1 = – 1.6 ×10 – 19 C
Charge on a proton, q2 = +1.6 ×10 – 19 C
(a) Potential at infinity is zero.
Potential energy of the system, = Potential energy at infinity – Potential energy at distance d
∈0 is the permittivity of free space
Therefore, the potential energy of the system is −27.2 eV.
(b) Kinetic energy is half of the magnitude of potential energy.
Total energy = 13.6 − 27.2 = 13.6 eV
Therefore, the minimum work required to free the electron is 13.6 eV.
(c) When zero of potential energy is taken,
∴ Potential energy of the system = Potential energy at
Q19 : If one of the two electrons of a H2 molecule is removed, we get a hydrogen molecular ion. In the ground state of an, the two protons are separated by roughly 1.5Å and the electron is roughly 1Å from each proton. Determine the potential energy of the system. Specify your choice of the zero of potential energy.
The system of two protons and one electron is represented in the given figure.
Charge on proton 1, q1 = 1.6 ×10 – 19 C
Charge on electron, q3 = – 1.6 ×10 – 19 C
Distance between protons 1 and 2, d1 = 1.5 ×10 – 10 m
Distance between proton 1 and electron, d2 = 1 ×10 – 10 m
Distance between proton 2 and electron, d3 = 1 × 10 – 10 m
The potential energy at infinity is zero.
Potential energy of the system,
Therefore, the potential energy of the system is – 19.2 eV.
Q20 : Two charged conducting spheres of radii a and b are connected to each other by a wire. What is the ratio of electric fields at the surfaces of the two spheres? Use the result obtained to explain why charge density on the sharp and pointed ends of a conductor is higher than on its flatter portions.
Let a be the radius of a sphere A, QA be the charge on the sphere, and CA be the capacitance of the sphere. Let b be the radius of a sphere B, QB be the charge on the sphere, and CB be the capacitance of the sphere. Since the two spheres are connected with a wire, their potential (V) will become equal.
Let EAbe the electric field of sphere A and EB be the electric field of sphere B. Therefore, their ratio,
Putting the value of (2) in (1), we obtain
Therefore, the ratio of electric fields at the surface is
Q21 : Two charges -q and +q are located at points (0, 0, – a) and (0, 0, a), respectively.
(a) What is the electrostatic potential at the points?
(b) Obtain the dependence of potential on the distance r of a point from the origin when r/a >> 1.
(c) How much work is done in moving a small test charge from the point (5, 0, 0) to (-7, 0, 0) along the x-axis? Does the answer change if the path of the test charge between the same points is not along the x-axis?
(a) Zero at both the points
Charge – q is located at (0, 0, – a) and charge + q is located at (0, 0, a). Hence, they form a dipole. Point (0, 0, z) is on the axis of this dipole and point (x, y, 0) is normal to the axis of the dipole. Hence, electrostatic potential at point (x, y, 0) is zero. Electrostatic potential at point (0, 0, z) is given by,
∈0= Permittivity of free space
p = Dipole moment of the system of two charges = 2qa
(b) Distance r is much greater than half of the distance between the two charges. Hence, the potential (V) at a distance r is inversely proportional to square of the distance i.e.
(c) Zero
The answer does not change if the path of the test is not along the x-axis.
A test charge is moved from point (5, 0, 0) to point ( – 7, 0, 0) along the x-axis. Electrostatic potential (V1) at point (5, 0, 0) is given by,
Electrostatic potential, V2, at point (− 7, 0, 0) is given by,
Hence, no work is done in moving a small test charge from point (5, 0, 0) to point (−7, 0, 0) along the x-axis.
The answer does not change because work done by the electrostatic field in moving a test charge between the two points is independent of the path connecting the two points.
Q22 : Figure 2.34 shows a charge array known as an electric quadrupole. For a point on the axis of the quadrupole, obtain the dependence of potential on r for r/a >> 1, and contrast your results with that due to an electric dipole, and an electric monopole (i.e., a single charge).
Four charges of same magnitude are placed at points X, Y, Y, and Z respectively, as shown in the following figure.
A point is located at P, whi8ch is r distance away from point Y.
The system of charges forms an electric quadrupole.
It can be considered that the system of the electric quadrupole has three charges.
Charge +q placed at point X
Charge – 2q placed at point Y
Charge +q placed at point Z
XY = YZ = a
YP = r
PX = r + a
PZ = r – a
Electrostatic potential caused by the system of three charges at point P is given by,
is taken as negligible.
It can be inferred that potential,
However, it is known that for a dipole,
And, for a monopole
Q23 : An electrical technician requires a capacitance of 2 µF in a circuit across a potential difference of 1 kV. A large number of 1 µF capacitors are available to him each of which can withstand a potential difference of not more than 400 V. Suggest a possible arrangement that requires the minimum number of capacitors.
Total required capacitance, C = 2 µF
Potential difference, V = 1 kV = 1000 V
Capacitance of each capacitor, C1 = 1 µF
Each capacitor can withstand a potential difference, V1 = 400 V
Suppose a number of capacitors are connected in series and these series circuits are connected in parallel (row) to each other. The potential difference across each row must be 1000 V and potential difference across each capacitor must be 400 V. Hence, number of capacitors in each row is given as
Hence, there are three capacitors in each row.
Capacitance of each row
Let there are n rows, each having three capacitors, which are connected in parallel. Hence, equivalent capacitance of the circuit is given as
Hence, 6 rows of three capacitors are present in the circuit. A minimum of 6 × 3 i.e., 18 capacitors are required for the given arrangement.
Q24 : What is the area of the plates of a 2 F parallel plate capacitor, given that the separation between the plates is 0.5 cm? [You will realize from your answer why ordinary capacitors are in the range of µF or less. However, electrolytic capacitors do have a much larger capacitance (0.1 F) because of very minute separation between the conductors.]
Capacitance of a parallel capacitor, V = 2 F
Distance between the two plates, d = 0.5 cm = 0.5 × 10 – 2 m
Capacitance of a parallel plate capacitor is given by the relation,
∈0= Permittivity of free space = 8.85 × 10 – 12 C2 N – 1 m – 2
Hence, the area of the plates is too large. To avoid this situation, the capacitance is taken in the range of µF.
Q25 : Obtain the equivalent capacitance of the network in Fig. 2.35. For a 300 V supply, determine the charge and voltage across each capacitor.
Capacitance of capacitor C1 is 100 pF.
Supply potential, V = 300 V
Capacitors C2 and C3 are connected in series. Let their equivalent capacitance be C"
Capacitors C1 and C' are in parallel. Let their equivalent capacitance be C"
C" and C4 are connected in series. Let their equivalent capacitance be C.
Hence, the equivalent capacitance of the circuit is
Potential difference across = C" = V"
Potential difference across C4 = V4
Charge on C4 is given by
Q4= CV
Hence, potential difference, V1, across C1 is 100 V.
Charge on C1 is given by,
C2 and C3 having same capacitances have a potential difference of 100 V together. Since C2 and C3 are in series, the potential difference across C2 and C3 is given by,
V2= V3 = 50 V
Therefore, charge on C2 is given by,
And charge on C3 is given by,
Hence, the equivalent capacitance of the given circuit is
Q26 : The plates of a parallel plate capacitor have an area of 90 cm2 each and are separated by 2.5 mm. The capacitor is charged by connecting it to a 400 V supply.
(a) How much electrostatic energy is stored by the capacitor?
(b) View this energy as stored in the electrostatic field between the plates, and obtain the energy per unit volume u. Hence arrive at a relation between u and the magnitude of electric field E between the plates.
Area of the plates of a parallel plate capacitor, A = 90 cm2 = 90 × 10 – 4 m2
Distance between the plates, d = 2.5 mm = 2.5 × 10 – 3 m
Potential difference across the plates, V = 400 V
(a) Capacitance of the capacitor is given by the relation,
Hence, the electrostatic energy stored by the capacitor is
(b) Volume of the given capacitor,
Energy stored in the capacitor per unit volume is given by,
= Electric intensity = E
Q27 : A 4 µF capacitor is charged by a 200 V supply. It is then disconnected from the supply, and is connected to another uncharged 2 µF capacitor. How much electrostatic energy of the first capacitor is lost in the form of heat and electromagnetic radiation?
Capacitance of a charged capacitor,
Supply voltage, V1 = 200 V
Electrostatic energy stored in C1 is given by,
Capacitance of an uncharged capacitor,
When C2 is connected to the circuit, the potential acquired by it is V2.
According to the conservation of charge, initial charge on capacitor C1 is equal to the final charge on capacitors, C1 and C2.
Electrostatic energy for the combination of two capacitors is given by,
Hence, amount of electrostatic energy lost by capacitor C1
= E1 – E2
= 0.08 – 0.0533 = 0.0267
= 2.67 × 10 – 2 J
Q28 : Show that the force on each plate of a parallel plate capacitor has a magnitude equal to (½) QE, where Q is the charge on the capacitor, and E is the magnitude of electric field between the plates. Explain the origin of the factor ½.
Let F be the force applied to separate the plates of a parallel plate capacitor by a distance of Δx. Hence, work done by the force to do so = FΔx
As a result, the potential energy of the capacitor increases by an amount given as uAΔx.
u = Energy density
d = Distance between the plates
V = Potential difference across the plates
The work done will be equal to the increase in the potential energy i.e.,
Electric intensity is given by,
However, capacitance,
Charge on the capacitor is given by,
Q = CV
The physical origin of the factor,
, in the force formula lies in the fact that just outside the conductor, field is E and inside it is zero. Hence, it is the average value,
, of the field that contributes to the force.
Q29 : A spherical capacitor consists of two concentric spherical conductors, held in position by suitable insulating supports (Fig. 2.36). Show
that the capacitance of a spherical capacitor is given by
where r1 and r2 are the radii of outer and inner spheres, respectively.
Radius of the outer shell = r1
Radius of the inner shell = r2
The inner surface of the outer shell has charge +Q.
The outer surface of the inner shell has induced charge – Q.
Potential difference between the two shells is given by,
Hence, proved.
Q30 : A spherical capacitor has an inner sphere of radius 12 cm and an outer sphere of radius 13 cm. The outer sphere is earthed and the inner sphere is given a charge of 2.5 µC. The space between the concentric spheres is filled with a liquid of dielectric constant 32.
(a) Determine the capacitance of the capacitor.
(b) What is the potential of the inner sphere?
(c) Compare the capacitance of this capacitor with that of an isolated sphere of radius 12 cm. Explain why the latter is much smaller.
Radius of the inner sphere,
= 12 cm = 0.12 m
Radius of the outer sphere,
Charge on the inner sphere,
Dielectric constant of a liquid,
= Permittivity of free space =
Hence, the capacitance of the capacitor is approximately
(b) Potential of the inner sphere is given by,
Hence, the potential of the inner sphere is
(c) Radius of an isolated sphere, r = 12 × 10 – 2 m
Capacitance of the sphere is given by the relation,
The capacitance of the isolated sphere is less in comparison to the concentric spheres. This is because the outer sphere of the concentric spheres is earthed. Hence, the potential difference is less and the capacitance is more than the isolated sphere.
Q31 : Answer carefully:
(a) Two large conducting spheres carrying charges Q1 and Q2 are brought close to each other. Is the magnitude of electrostatic force between them exactly given by Q1Q2/4π
r 2, where r is the distance between their centres?
(b) If Coulomb's law involved 1/r3 dependence (instead of 1/r2), would Gauss's law be still true?
(c) A small test charge is released at rest at a point in an electrostatic field configuration. Will it travel along the field line passing through that point?
(d) What is the work done by the field of a nucleus in a complete circular orbit of the electron? What if the orbit is elliptical?
(e) We know that electric field is discontinuous across the surface of a charged conductor. Is electric potential also discontinuous there?
(f) What meaning would you give to the capacitance of a single conductor?
(g) Guess a possible reason why water has a much greater dielectric constant (= 80) than say, mica (= 6).
(a) The force between two conducting spheres is not exactly given by the expression, Q1Q2/4π
r 2, because there is a non-uniform charge distribution on the spheres.
(b) Gauss's law will not be true, if Coulomb's law involved 1/r3 dependence, instead of1/r2, on r.
(c) Yes,
If a small test charge is released at rest at a point in an electrostatic field configuration, then it will travel along the field lines passing through the point, only if the field lines are straight. This is because the field lines give the direction of acceleration and not of velocity.
(d) Whenever the electron completes an orbit, either circular or elliptical, the work done by the field of a nucleus is zero.
(e) No
Electric field is discontinuous across the surface of a charged conductor. However, electric potential is continuous.
(f) The capacitance of a single conductor is considered as a parallel plate capacitor with one of its two plates at infinity.
(g) Water has an unsymmetrical space as compared to mica. Since it has a permanent dipole moment, it has a greater dielectric constant than mica.
Q32 : A cylindrical capacitor has two co-axial cylinders of length 15 cm and radii 1.5 cm and 1.4 cm. The outer cylinder is earthed and the inner cylinder is given a charge of 3.5 µC. Determine the capacitance of the system and the potential of the inner cylinder. Neglect end effects (i.e., bending of field lines at the ends).
Length of a co-axial cylinder, l = 15 cm = 0.15 m
Radius of outer cylinder, r1 = 1.5 cm = 0.015 m
Radius of inner cylinder, r2 = 1.4 cm = 0.014 m
Charge on the inner cylinder, q = 3.5 µC = 3.5 × 10 – 6 C
Potential difference of the inner cylinder is given by,
Q33 : A parallel plate capacitor is to be designed with a voltage rating 1 kV, using a material of dielectric constant 3 and dielectric strength about 107 Vm-1. (Dielectric strength is the maximum electric field a material can tolerate without breakdown, i.e., without starting to conduct electricity through partial ionisation.) For safety, we should like the field never to exceed, say 10% of the dielectric strength. What minimum area of the plates is required to have a capacitance of 50 pF?
Potential rating of a parallel plate capacitor, V = 1 kV = 1000 V
Dielectric constant of a material,
Dielectric strength = 107 V/m
For safety, the field intensity never exceeds 10% of the dielectric strength.
Hence, electric field intensity, E = 10% of 107 = 106 V/m
Capacitance of the parallel plate capacitor, C = 50 pF = 50 × 10 – 12 F
Distance between the plates is given by,
Hence, the area of each plate is about 19 cm2.
Q34 : Describe schematically the equipotential surfaces corresponding to
(a) a constant electric field in the z-direction,
(b) a field that uniformly increases in magnitude but remains in a constant (say, z) direction,
(c) a single positive charge at the origin, and
(d) a uniform grid consisting of long equally spaced parallel charged wires in a plane.
(a) Equidistant planes parallel to the x-y plane are the equipotential surfaces.
(b) Planes parallel to the x-y plane are the equipotential surfaces with the exception that when the planes get closer, the field increases.
(c) Concentric spheres centered at the origin are equipotential surfaces.
(d) A periodically varying shape near the given grid is the equipotential surface. This shape gradually reaches the shape of planes parallel to the grid at a larger distance.
Q35 : In a Van de Graaff type generator a spherical metal shell is to be a 15 x 106 V electrode. The dielectric strength of the gas surrounding the electrode is 5 x 107 Vm-1. What is the minimum radius of the spherical shell required? (You will learn from this exercise why one cannot build an electrostatic generator using a very small shell which requires a small charge to acquire a high potential.)
Potential difference, V = 15 × 106 V
Dielectric strength of the surrounding gas = 5 × 107 V/m
Electric field intensity, E = Dielectric strength = 5 × 107 V/m
Minimum radius of the spherical shell required for the purpose is given by,
Hence, the minimum radius of the spherical shell required is 30 cm.
Q36 : A small sphere of radius r1 and charge q1 is enclosed by a spherical shell of radius r2 and charge q2. Show that if q1 is positive, charge will necessarily flow from the sphere to the shell (when the two are connected by a wire) no matter what the charge q2 on the shell is.
According to Gauss's law, the electric field between a sphere and a shell is determined by the charge q1 on a small sphere. Hence, the potential difference, V, between the sphere and the shell is independent of charge q2.For positive charge q1, potential difference V is always positive.
Q37 : Answer the following:
(a) The top of the atmosphere is at about 400 kV with respect to the surface of the earth, corresponding to an electric field that decreases with altitude. Near the surface of the earth, the field is about 100 Vm-1. Why then do we not get an electric shock as we step out of our house into the open? (Assume the house to be a steel cage so there is no field inside!)
(b) A man fixes outside his house one evening a two metre high insulating slab carrying on its top a large aluminium sheet of area 1m2. Will he get an electric shock if he touches the metal sheet next morning?
(c) The discharging current in the atmosphere due to the small conductivity of air is known to be 1800 A on an average over the globe. Why then does the atmosphere not discharge itself completely in due course and become electrically neutral? In other words, what keeps the atmosphere charged?
(d) What are the forms of energy into which the electrical energy of the atmosphere is dissipated during a lightning? (Hint: The earth has an electric field of about 100 Vm-1 at its surface in the downward direction, corresponding to a surface charge density = -10-9 C m-2. Due to the slight conductivity of the atmosphere up to about 50 km (beyond which it is good conductor), about + 1800 C is pumped every second into the earth as a whole. The earth, however, does not get discharged since thunderstorms and lightning occurring continually all over the globe pump an equal amount of negative charge on the earth.)
(a) We do not get an electric shock as we step out of our house because the original equipotential surfaces of open air changes, keeping our body and the ground at the same potential.
(b) Yes, the man will get an electric shock if he touches the metal slab next morning. The steady discharging current in the atmosphere charges up the aluminium sheet. As a result, its voltage rises gradually. The raise in the voltage depends on the capacitance of the capacitor formed by the aluminium slab and the ground.
(c) The occurrence of thunderstorms and lightning charges the atmosphere continuously. Hence, even with the presence of discharging current of 1800 A, the atmosphere is not discharged completely. The two opposing currents are in equilibrium and the atmosphere remains electrically neutral.
(d) During lightning and thunderstorm, light energy, heat energy, and sound energy are dissipated in the atmosphere.
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Fortran 2018
It is often used for scientific and numeric programs. Available for Windows, OS X and Linux versions, this service pack addresses issues reported in the compiler, AbsoftTools, Fx3 and AWE since the initial release of Absoft Pro Fortran 2018. It introduced a new free-form source code format, modern programming language features like modules, pointers and user-defined types, an improved type system for built-in types and superiour built-in array handling. Should I use "Fortran" or "FORTRAN" in my writing? According to the Microsoft Manual of Style you should not use all uppercase "FORTRAN" and it should never be spelled out as "Formula Translation. B! 2018-11-16 yohhoy 続きを読む. The latest Fortran standard was released in 2018, bringing many new features and keeping Fortran a relevant, highly performant language for contemporary scientific computing challenges. Fortran 2018 (ISO/IEC 1539:2018) has been officially published by the ISO, so it is now the official Fortran standard, replacing the nearly decade-old Fortran 2008 (which was actually published in 2010). Absoft Pro Fortran 2018 Absoft Pro Fortran 2018 Announcing Absoft's Latest Release. The new features of Fortran 2008 John Reid, JKR Associates, UK May 21, 2008 Abstract The aim of this paper is to summarize the new features of the draft Fortran 2008 standard (ISO/IEC 2008). Incorporates updates throughout the rest of the book to bring it in line with the latest standard - Fortran 2018, and in response to feedback from delegates; Fortran 2018 is backwards compatible with all earlier versions - Fortran 2008, 2003, 95, 90, 77 and 66, and thus the book is of use to people working with code based on these standards. 8 Windows Combining the 32/64-bit LGF Rainier compiler with the classic Lahey/Fujitsu LF95 compiler, LF Professional v7. Below we refer to the version numbers in column 1 above. Back when I was working at Quadrics (around 6 years ago now) Fortran was the top tier language, followed by C, and the Python was just beginning to bring up the rear. FORTRAN FOR METEOROLOGISTS ATMS 230 SPRING 2018 While interest in Fortran has waned among engineers and computer scientists in favor of other programming languages, its pervasive use in meteorology makes it an essential tool for obtaining employment or performing research in the field. This edition of Modern Fortran Explained. Modern Fortran Explained : Incorporating Fortran 2018 by Michael Metcalf, John Reid Fortran marches on, remaining one of the principal programming languages used in high-performance scientific, numerical, and engineering computing. 此种方法同时适用于:C,Java,Fortran. Fortran 90/95 Programming Manual Real Type For real numbers (such as 3. Published on Mar 4, 2018 In this video from the Stanford HPC Conference, Damian Rouson from the Sourcery Institute presents: First Experiences with Parallel Application Development in Fortran 2018. The course provides an overview on all the relevant features of Fortran beyond the 95 standard. The Intel Visual Fortran Composer XE 2011 is a comprehensive set of software development tools that includes the following components: Intel Fortran Compiler, Intel Math Kernel Library and Intel Parallel Debugger Extension. C is a bit awkward but is likely the most flexible to use with other software, libraries and scripting. SIGPLAN FORTRAN Forum (not included in membership) Addresses the FORTRAN language, its uses, profitability, standardization, further evolution, and the implementation of FORTRAN processors. I am not a computer scientist or Fortran guru and, as such, am unlikely to be able to help you with Fortran code, compilation or runtime problems. Fortran (Formula translation) is a multi-paradigm programming language invented by John Backus of IBM in the 1950s. In this post, I'll walk you behind the scenes to share the benefits of Fortran and how we combine it with other, "modern" technologies, such as containers, to provide greater flexibility, portability, and scaling without the pain of re-writing the model. Deliver top C++ and Fortran application performance with less effort. The Fortran coarrays course Fortran coarrays have been around for over 20 years. This site uses cookies for analytics, personalized content and ads. Fortran 2018. It is the language of choice in many application domains including computational fluid dynamics (including weather and ocean modeling), finite-element analysis, molecular dynamics, and quantum chemistry. 5k Followers, 848 Following, 1,290 Posts - See Instagram photos and videos from Fri Flyt (@friflytmag). Fortran 2018 compiler standard enforcement 22 May, 2019. This course gives an introduction to programming in this language, and is suitable for students who have only minimal programming experience, for example with MATLAB scripts. In this package we updated. The script will grab f2c source from Netlib repositories and install a f2c based compiler in /usr/local/. For the past five years we've been surveying our network of data scientists and analytics professionals to determine which tool they prefer to use – SAS, R, or Python. In this tutorial, we will learn the basic concepts of Fortran and its programming code. Written by leading experts in the field, two of whom have actively contributed to Fortran 2018, Modern Fortran Explained is a complete and authoritative description of Fortran in its latest form. CUDA Fortran for Scientists and Engineers shows how high-performance application developers can leverage the power of GPUs using Fortran, the familiar language of scientific computing and supercomputer performance benchmarking. It has two parts: Part 1 - Base language ; Part 2 - Varying length character strings (N1375 is the Final Draft, unchanged since Fortran 2003) Previously it was called Fortran 2015. Just pushed a fix. It has features to allow the programmer to build in the detection of a failure and action to enable continued correct execution. invoke libraries written in C++ (and actually Fortran is hidden in there more often than those groups would believe in the form of BLAS type libraries). 161 and Prandtl number, Pr≥0. FGPU provides code examples for developers and code tests for compiler vendors. Fortran 2018. The next one is 2018 and it is expected to arrive anytime soon. First, PKGBUILD was able to set _majorver to the first character in pkgver, but BASE-VER was just bumped to 10. 1 was released with Eclipse 4. US Fortran standards committee documents Documents for meeting 216. Apply to Scientist, Computer Operator, Production Engineer and more! Fortran Jobs, Employment | Indeed. Computers are everywhere in our daily lives. See Installation Tab file on the ADAPT download page of the BMSR web site for full details. 8 delivers! LGF Rainier has full Fortran 95/90/77 compliance with extensive support for the Fortran 2003 and 2008 standards. If you want to use it in Windows 7 you will need to use the CYGWIN system. Pré requisitos É desejável que o estudante tenha uma noção geral de lingua. Modern Fortran Explained : Incorporating Fortran 2018 1st Edition Pdf Download For Free Book - By Michael Metcalf, John Reid Modern Fortran Explained : Incorporating Fortran 2018 Fortran marches on, remaining one of the principal programming languages used in high-performance - Read Online Books at Smtebooks. Photran - An Integrated Development Environment and Refactoring Tool for Fortran Photran is an IDE and refactoring tool for Fortran based on Eclipse and the CDT. It also supports OpenMP 4. 0, which forms part of Intel Parallel Studio XE 2019, has been successfully tested with the current Winteracter release (12. 1 EAP): Fortran; Rust (with Cargo support and debugger!) Both plugins are on their early stage of development, so issues are possible and some functionality might be missing. The script will grab f2c source from Netlib repositories and install a f2c based compiler in /usr/local/. During the past 60 years, the language had been revised and updated several times to incorporate more features to enable writing clean and structured computer programs. The behavior of the INQUIRE statement with the RECL= specifier now conforms to Fortran 2018. As in previous workshops, the main goal of the workshop is to allow the Lua community to get together and meet in person and talk about the Lua language, its uses, and its implementation. 's profile on LinkedIn, the world's largest professional community. Full Fortran 2018 support Currently only a subset of Fortran is implemented (we plan to document exactly what is supported #92, in the meantime it is just a bit more than what is presented in the notebook), but the goal is to have a full implementation of the latest Fortran 2018 standard, see #58. Intel Fortran offers full language Fortran 95, full Fortran 2003 and significant Fortran 2008 feature support, including Coarrays, DO CONCURRENT, 31 array dimensions, NEWUNIT in OPEN and more, all documented in the release notes. Alternatively, saving the file with a. 3) was given the role of Primary Development Body. Rather, its aim is to localize any tips and tricks that I have come across that might be helpful to other beginner Fortran programmers. As a hypothetical example, C++ has the concept of a "pure" virtual method declaration, and somebody might come up with a reason to mark those with the new Pure flag. This coarrays course covers most of the 2008 functionality and some of the 2018 features. My experience is that most people who need to write computer programs know several languages, and often these are self taught. The results of our 2019 SAS, R, or Python survey have been released! Click here to see our latest analysis. In section labelstring you saw an example, and it was stated that the solution given there was not very good. 8 delivers! LGF Rainier has full Fortran 95/90/77 compliance with extensive support for the Fortran 2003 and 2008 standards. Fortran is a key programming language used by high performance computing developers. OpenCoarrays is an open-source software project that produces an application binary interface (ABI) used by the GNU Compiler Collection (GCC) Fortran front-end to build executable programs that leverage the parallel programming features of Fortran 2018. A software implementation of quadruple-precision will be slow. FGPU provides code examples for developers and code tests for compiler vendors. While doing so, many of the irregularities and oddball statements of these languages were cleaned up, which helped it gain users (Bergin, 100-101). This FORTRAN study guide is a "hands on" introduction to programming using FORTRAN. First computer: IBM 360/40 in 1969: Fortran IV Oracle Database since 1988-9 and Oracle Beta Tester The Morgan behind www. Recently, version 11. Hi Sabin, Did you manage to get Bitbake to build the SciPy recipe? If so, do you mind sharing it here? I cannot resolve the issue with missing LAPACK and BLAS libraries. It was decided to change it in order to match the expected year of publication. The wider scientific community will benefit from the availability of DREAMCLIMATE service through the use of the code and can provide valuable feedback. Absoft Pro Fortran 2018 can also be used in a more limited manner with Microsoft Visual Studio 2015 and 2017. Remember the FORTRAN Document number P1300 Audience SG15, EWG Date 2018-10-8 Authors Jussi Pakkanen, Isabella Muerte, Peter Bindels Reply-to [email protected] It also supports OpenMP 4. 2018 edition of the Fortran programming language standard. Mishchenko, 2018: Volume integral equation for electromagnetic scattering: Rigorous derivation and analysis for a set of multi-layered particles with piecewise-smooth boundaries in a passive host medium. • modern fortran explained by Metcalf, Reid and Cohen Good to learn new features; more complete than the Guide (1), but sometimes a bit confusing. Fortran 90/95 Programming Manual Real Type For real numbers (such as 3. Fortran - Programming Style - Programming style is all about following some rules while developing programs. Workshop for Modern Fortran (Fortran 2018) (self. It seems to me you need the "large file" option. It's fine to describe it as a Fortran attribute in commentary. this enables the binding only for the fortran_fixed-form language. Mathematical Functions in Fortran IMSL Fortran Library Users Guide MATH/LIBRARY Special Functions Trusted For Over Years 30. 2 The Fortran Character Set 23 2. The name derives from The IBM Mathematical Formula Translating System. Fortran marches on, remaining one of the principal programming languages used in high-performance scientific, numerical, and engineering computing. Save a copy of your output in Word. SIParCS 2018 Projects. The do-loop corresponds to what is known as a for-loop in other languages. This document specifies the form and establishes the interpretation of programs expressed in the base Fortran language. XL Fortran Runtime for AIX Fix Pack 10 (February 2018 PTF) for 15. Posted by Bit Version at. インテル® Parallel Studio XE 2018 Composer Edition for Fortran リリースノート (英語) インストールの手順 再配布可能パッケージのインストール・プログラムの指示に従ってインストールを進めてください。. Fortran is the most enduring computer programming language in history. 1 EAP): Fortran; Rust (with Cargo support and debugger!) Both plugins are on their early stage of development, so issues are possible and some functionality might be missing. Pascal was designed in a very orderly approach, it combined many of the best features of the languages in use at the time, COBOL, FORTRAN, and ALGOL. The Intel Visual Fortran Composer XE 2011 is a comprehensive set of software development tools that includes the following components: Intel Fortran Compiler, Intel Math Kernel Library and Intel Parallel Debugger Extension. C is a bit awkward but is likely the most flexible to use with other software, libraries and scripting. This is the third and final study deriving from my Ph. This comprehensive suite of development tools makes it simpler to build and modernize code with the latest techniques in vectorization, multithreading, multinode parallelization, and memory optimization. Company Summary. Support for Intel Visual Fortran Compiler 2018. This course gives an introduction to programming in this language, and is suitable for students who have only minimal programming experience, for example with MATLAB scripts. Prior to Fortran 2018, there was a restriction on elemental functions being recursive. Deliver top C++ and Fortran application performance with less effort. Fortran, free fortran software downloads. Select Fortran in the list of languages. tt/2Nux81J October 30, 2019 at 04:53PM Posted by. Also please note the following: Michael Metcalf, formerly of CERN, Switzerland, and an ex-member of J3 and WG5, offers a Fortran 90 course that lasts for six 75-minute sessions. This is where to find the documentation corresponding to an official, tagged release. Published on Mar 4, 2018 In this video from the Stanford HPC Conference, Damian Rouson from the Sourcery Institute presents: First Experiences with Parallel Application Development in Fortran 2018. structured programming language. Prem Vilas Fortran has 8 jobs listed on their profile. The most recent major revision of the standard, Fortran 2008, added native support for parallel programming on shared-and distributed-memory architectures, and will be one of few languages used for next-generation exascale HPC applications. Shene Professor Introduction and Basic Fortran Selective Execution (IF-THEN-ELSE and SELECT CASE) Repetitive Execution (DO Loops). # Cython fortran-file This package is a fast and easy reader for record-based binary format, as written by Fortran. DSGVO (GDPR) What is this toolbox about? Commercial FEM software packages offer interfaces (user subroutines written in Fortran) for custom defined user materials like UMAT in Abaqus or HYPELA2 in MSC. Check out gitjk and profanity-pgp. Running 32 bit xp applications on 64. If you need help with Qiita, please send a support request from here. Fortran 2018. The following Fortran 2018 features are new in this release: The COSHAPE intrinsic function Returns the cobounds of a coarray argument. Since this is a copyrighted ISO document, you can't actually view it online for free, but you ca. Exercises 2 Basic Elements of Fortran 22 2. The latest revision of the language is Fortran 2018, which was released in November 2018. The Lua Workshop 2018 will be held in Kaunas, Lithuania, on September 6–7, 2018, cortesy of CUJO. (or ForTran or Fortran) is a computer programming language developed by IBM in the 1950s with a focus on scientific and engineering applications. Related articles: IEEE Survey Ranks Programming Languages; The Secrets to Becoming a Great Programmer. Now EMIL RB FORSBERG Bundesliga Print 2018 #KO86 Topps 56 Leipzig FORSBERG Run EMIL. Buy a Intel Parallel Studio XE Composer Edition for Fortran - for Windows - Suppo or other Developer Tools Software at CDW. This is the third and final study deriving from my Ph. As additional Empanel demos, we are also hosting some old classics, including Abramowitz and Stegun, the Problem Book in Relativity and Gravitation, and the Encyclopedia Britannica Eleventh Edition (1911). Note that the different software listed are compliant with different Fortran standards, eg, ANSI Fortran 77, Fortran 95, Fortran 2003, Fortran 2008 and so on, so be sure to get the appropriate one for your purpose. During the past 60 years, the language had been revised and updated several times to incorporate more features to enable writing clean and structured computer programs. There will be joint meeting between the BCS Open Source and Fortran Specialist Groups on the topic of Open Source Fortran in Manchester on November 15. Previously it was called Fortran 2015. Use FABEL to convert Fortran app to C++ app, use HIP to generate C++ app to HIP code to compile and run on AMD GPU. On 14/01/2018 17:36, Mohammad wrote: > The good suggestion by Steve Lionel is to stick with. Since this is a copyrighted ISO document, you can't actually view it online for free, but you ca. How to link Abaqus 2018 with Fortran Ahmed Ben. At the same time, many long-time Fortran users are largely unaware of the process by which new features are introduced in. About F Files. The purpose of this document is to promote portability, reliability, maintainability, and efficient execution of Fortran programs for use on a variety of computing systems. The installation order is the mentioned, rst the IDE and then compiler. At Fortranplus we offer modern Fortran training courses, consultancy and up-to-date information relating to modern Fortran. If the constraints of the curriculum evolve, and languages and operating systems evolve, the optimal solution may evolve! All choices have advantages and disadvantages. Fortran was the programming language for numerical methods but it has grown and rather lost it's way. Certainly Fortran has made great strides since my University days with structured, modular and object oriented programming support along with variable length string processing. jueves, septiembre 13, 2018 Creo que me he vuelto facha (vol III): el racismo Hace unos pocos días Serena Williams saltó a la primera plana de todos los medios por una confrontación con el juez de silla durante la final del U. This is the FORTRAN Online Compiler. It was decided to change it in order to match the expected year of publication. A series of significant revisions to the standard versions of the language have progressively enhanced its capabilities, and the latest standard - Fortran 2018 - includes many additions and. Here you can find a customized (more or less) version of IDE oriented towards Fortran language (pre-built binaries for Linux and Windows are available). My real name is sorry I can't tell you. Which is the best windows compiler for FORTRAN 77/90? Hi all, Please suggest a good windows compiler for FORTRAN 77/90 that could run smoothly on Windows 7. 31, 2018 (GLOBE NEWSWIRE) -- via NEWMEDIAWIRE - On August 31, 2018, Fortran Corporation ("Fortran") (OTC: FRTN), in consultation with its legal and financial advisors, concluded. The NASA Computer program CEA (Chemical Equilibrium with Applications) calculates Chemical Equilibrium Compositions and properties of complex mixtures. See the complete profile on LinkedIn and discover Prem Vilas Fortran's connections and jobs at similar companies. For the past five years we've been surveying our network of data scientists and analytics professionals to determine which tool they prefer to use – SAS, R, or Python. Why physicists still use Fortran. Save a copy of your output in Word. He also has a mirror-stare clone named 4tren. ) (Numerical Mathematics and Scientific Computation series) by Michael Metcalf. Fortran Tutorial Posted by Derek Banas on Dec 14, 2018 in Web Design | 0 comments In this one video I condense most everything you'd learn about Fortran in a 400 page book into one video. A series of significant revisions to the standard versions of the language have progressively enhanced its capabilities, and the latest standard - Fortran 2018 - includes many additions and improvements. Fortran 2018 (The new features of Fortran 2018) Books. Fortran 2018 examples was developed by Michael Hirsch Ph. [10/18] Open Source Fortran meeting. f90gl is a public domain implementation of the official Fortran 90 bindings for OpenGL. Fortran 2018 began as the TS18508 extension, formerly known as Fortran 2015. The name derives from The IBM Mathematical Formula Translating System. 01 (S Atrium), All Saints Campus, Manchester, M15 6BH from 6-8pm. submodule; preprocessing. Sun Fortran for Intel and AMD platforms does not yet support quadruple-precision data types. fortran corp. pdf), Text File (. Fortran 90, including those familiar with programming language concepts but unfamiliar with Fortran. The most recent major revision of the standard, Fortran 2008, added native support for parallel programming on shared-and distributed-memory architectures, and will be one of few languages used for next-generation exascale HPC applications. Fortran 2018 Examples. Coarrays support multiple parallel processing libraries including OpenMPI. This page was last edited on 31 July 2019, at 21:22. We know our compilers, we have worked with them. The Fortran Wiki is an open venue for discussing all aspects of the Fortran programming language and scientific computing. A series of significant revisions to the standard versions of the language have progressively enhanced its capabilities, and the latest standard - Fortran 2018 - includes many additions and improvements. cc and main. Fortran marches on, remaining one of the principal programming languages used in high-performance scientific, numerical, and engineering computing. 5 seconds for vectors of size 1,000 ! Thus using the Fortran code definitely helped speed things up. In this video we will show why Azure Pipelines is the best tool on the planet for Contin. Brainerd and Brian T. Welcome to the Fortran Modernization Workshop page. Adams, Jeanne T. To open an existing fortran source file select File>Open> and navigate to the fortran source file. • These frameworks use threads, GPUs and distributed nodes very heavily. Fortran was originally developed at IBM between 1954 and 1957 by a team at IBM led by John Backus. Do you want to use Fortran 2003 language means (catchword: "object oriented programming"), or Fortran 2008, or even Fortran 2018? If you feel unsafe here, please don't hesitate to ask us for advice. See the complete profile on LinkedIn and discover James. A series of significant revisions to the standard versions of the language have progressively enhanced its capabilities, and the latest standard - Fortran 2018 - includes many additions and improvements. Further coarray intrinsics and other facilities are included into the 2018 Draft Fortran standard. At Fortranplus we offer modern Fortran training courses, consultancy and up-to-date information relating to modern Fortran. Waiting for an updated Fortran standard is an exercise in Zen-like patience. Computers are everywhere in our daily lives. A versão final desta revisão foi apresentada com o nome de FORTRAN 90. DEADLINE NOTICES (UPDATED)! The 2018 CODATA adjustment of the fundamental constants will be based on the revised SI, which will significantly affect the uncertainties of many constants. Well first of all Fortran is a programming language, not a program/software. Rust comes with Cargo build system and the debugger. Have you tried the GNU fortran compiler? GNU makes a wonderful compiler, which often outperfroms other compilers, and is totally free. Fortran 2018 empowers computational scientists to write high-performing parallel programs that scale from single-socket, shared-memory execution up to massively parallel, distributed-memory execution without explicitly referening any external parallel programming models (e. We don't reply to any feedback. Fortran is case insensitive - that is, it does not distinguish between capital and small letters. Modern Fortran benefits from modern CMake, which supports Fortran features such as. Years ago I programmed a lot on the PDP-11, be it in assembler, Fortran or C. However I'd prefer you think about what I represent. +31(0) 85 0498 165 [email protected] This is where to find the documentation corresponding to an official, tagged release. It seems to me you need the "large file" option. f90 as free source format for all new generation of Fortran from 1990 onward, but why not to mit the year attached to extension to have a universal file extension. However, since it is compatible with Jupyter, you can open it online using. Elemental Character and Logical Functions92. Fortran is constantly being modernized one little step after another. In online compilers (. Fortran Library information and discussions. Since the matrix matrix product has a great potential for parallelization I did this using OpenMP. Fortran 2018 - Formerly known as Fortran 2015, Fortran 2018 is still in development. The WG5 standards committee has renamed the forthcoming language revision to Fortran 2018 from Fortran 2015 to reflect a more accurate release date. Have you tried the GNU fortran compiler? GNU makes a wonderful compiler, which often outperfroms other compilers, and is totally free. During the past 60 years, the language had been revised and updated several times to incorporate more features to enable writing clean and structured computer programs. This page lists free Fortran compilers for various operating systems. To introduce the develop the skills to perform: keyboard computer use and creating, naming, editing and storing computer files, to use a high level scientific programming languages such as FORTRAN 77 and also illustrate the use of graphical display packages and of computer networks. Fortran 90, including those familiar with programming language concepts but unfamiliar with Fortran. In this package we updated. During research, I found this doc and you can use the latest Intel® Parallel Studio XE 2018 and VS 2017 with 'Desktop development with C++' component installed, hope it helpful for your issue. This makes sense. [10/18] Open Source Fortran meeting. This web is opensource. GCC support is being prepped. Fortran - Programming Style - Programming style is all about following some rules while developing programs. Waiting for an updated Fortran standard is an exercise in Zen-like patience. Program to find the root of Quadratic Equ FoRtRaN: Program to find area of a triangle. The changes made were all minor. SIGPLAN FORTRAN Forum (not included in membership) Addresses the FORTRAN language, its uses, profitability, standardization, further evolution, and the implementation of FORTRAN processors. Programming: Fortran Elucian December 4, 2018 Prospects FORTRAN, in full Formula Translation, is a computer-programming language created in 1957 by John Backus that shortened the process of programming. Developed in the UK by Interactive Software Services Ltd. It also supports OpenMP 4. We are pleased to announce the first International Workshop on Performance, Portability and Productivity in HPC (P3HPC); an opportunity for researchers to share ideas, practical experiences, and methodologies for tackling the compelling problems that lie at the intersection of performance, portability and productivity. Fortran 77 code consisting of: UMAT (Part A & Part B), a thermal part, and the necessary functions. Fortran 2008 extended that somewhat and Fortran 2018 extends it more. These and other limitations are all eliminated with the advent of Fortran90. Fortran 2018. Added code-completion support for items from Fortran intrinsic modules: iso_c_binding, iso_fortran_env etc. Abaqus 2018 Graphics Devices 2018 Graphics Devices SIMULIA tests specific graphics devices to ensure adequate performance with Abaqus/CAE and Abaqus/Viewer; the graphics devices that have been tested (or scheduled for testing) are listed in the tables below. Fortran 2018 began as the TS18508 extension, formerly known as Fortran 2015. A series of significant revisions to the standard versions of the language have progressively enhanced its capabilities, and the latest standard - Fortran 2018 - includes many additions and improvements. This web is opensource. state of north carolina catawba county in the general court of justice superior court division 17 cvs 2669. 0) on all of Windows, Linux and Mac. The last stable version of G95, version 0. Details can be found in tables as listed below. zip Download. In this package we updated. This FORTRAN study guide is a "hands on" introduction to programming using FORTRAN. Also, after column six Fortran does not recognize spaces (except for spaces inside quotations as in print statements). You can edit this website using the Edit Page link at the bottom of each page. The Fortran committee decided last month to rename the upcoming Fortran 2015 programming language update to Fortran 2018. It is simplest to save all your Fortran programs to this same directory. It will not cover obsolete features of Fortran, some of the more advanced aspects, or most of the extensions introduced by Fortran 2003. Pascal was designed in a very orderly approach, it combined many of the best features of the languages in use at the time, COBOL, FORTRAN, and ALGOL. Fortran 2018 is a minor revision of Fortran 2008. tt/2NksYsY Show HN: A minimal Fortran TCP client and server https://ift. Simply Fortran delivers a reliable Fortran compiler on Windows platforms with all the necessary productivity tools that professionals expect. ADAPT (version 5. If this is your first visit, be sure to check out the FAQ by clicking the link above. NOTE The following tutorials contain dated or obsolete material which may still be of value to some, and are therefore being kept for archival purposes only. The country voting on the DIS (Draft International Standard) for Fortran 2018 was completed at the beginning of June. The most recent major revision of the standard, Fortran 2008, added native support for parallel programming on shared-and distributed-memory architectures, and will be one of few languages used for next-generation exascale HPC applications. The next evolution of Fortran, even though many compilers have yet to implement all of Fortran 2008, is Fortran 2015. Find many great new & used options and get the best deals for Modern Fortran Explained Incorporating Fortran 2018 9780198811886 at the best online prices at eBay!. Which is the best windows compiler for FORTRAN 77/90? Hi all, Please suggest a good windows compiler for FORTRAN 77/90 that could run smoothly on Windows 7. f, enter g77 hello. cc and main. Fortran is an amazing language that, despite being blazing fast (like C), it has a learning curve similar to Python (unlike C). Implemented 'Change case' refactoring (Fortran->Cange case). 161 and Prandtl number, Pr≥0. fortran corp. jueves, septiembre 13, 2018 Creo que me he vuelto facha (vol III): el racismo Hace unos pocos días Serena Williams saltó a la primera plana de todos los medios por una confrontación con el juez de silla durante la final del U. This document specifies the form and establishes the interpretation of programs expressed in the base Fortran language. (8037 views) Numerical Recipes in Fortran 90 by William H. In addition, a fork of the G95 source in 2003 provided the starting point for what is now known as GFortran, the GNU Fortran Compiler. A lot of numeric code is in Fortran, so builders of high end servers and supercomputers make sure they write good optimizing Fortran compilers. Introduction to modern Fortran Fortran 2008 I Sixth standard planned in 2018: Fortran 2015. A processor must provide two different real types: The default real type and a type of higher precision, with the name. The Intel® Fortran Compiler compiles Fortran source files for Intel® 64 and IA-32 architectures. A series of significant revisions to the standard versions of the language have progressively enhanced its capabilities, and the latest standard - Fortran 2018 - includes many additions and improvements. f90 as free source format for all new generation of Fortran from 1990 onward, but why not to mit the year attached to extension to have a universal file extension. Active projects are underway to make it easier to run Fortran on GPUs. 1 operating system in 1992. The upcoming Fortran standard formerly known as Fortran 2015 has a new name: Fortran 2018. • These frameworks use threads, GPUs and distributed nodes very heavily. The previous standard (Fortran 2008) was published in 2010. Guide to Fortran 2008 Programming 2nd Edition. Also you can find some useful information about how to use it for programming with Fortran. FORTRAN users are not familiar with these concepts since, until recently, there was no support for object oriented programming in FORTRAN compilers. Create and run a FORTRAN 95 program Understand basic program structure Start to deal with programming errors Start to understand real, integer and character variable types. Location and travel. Our course will give the participants the basic knowledge on the Fortran 95 programming language as well as some glimpses on the Fortran 2003/2008 standards and their new features. However I'd prefer you think about what I represent. Modern Fortran Explained : Incorporating Fortran 2018 1st Edition Pdf Download For Free Book - By Michael Metcalf, John Reid Modern Fortran Explained : Incorporating Fortran 2018 Fortran marches on, remaining one of the principal programming languages used in high-performance - Read Online Books at Smtebooks. Intel Parallel Studio XE 2019. Trieste, 20 April 2018. In this video we will show why Azure Pipelines is the best tool on the planet for Contin. … Continue reading →. The Fortran Wiki is an open venue for discussing all aspects of the Fortran programming language and scientific computing. Details can be found in tables as listed below. Additionally, it supports various extensions found in VAX Fortran and Compaq Visual Fortran. Absoft Pro Fortran 2018 for Linux Special Upgrade Pricing Available Upgrading to the current version of Absoft Pro Fortran insures access to technical support and the latest performance enhancements for the coming year. Early Fortran history from ANNALS 1984 (also in "Fortran Story Retold") Frank Engel: Fortran 77 Valedictory (also in "(Fortran Story Retold") Craig Dedo: "Debunking Fortran Myths" (2011) Handouts at 2018 meeting. IMSL Fortran library is a Fortran subroutine library for scientific computing, and contains over 1000 functions of numerical calculation,. The behavior of the INQUIRE statement with the RECL= specifier now conforms to Fortran 2018. However, keep in mind that Intel Visual FORTRAN 10. Full Fortran 2018 support Currently only a subset of Fortran is implemented (we plan to document exactly what is supported #92, in the meantime it is just a bit more than what is presented in the notebook), but the goal is to have a full implementation of the latest Fortran 2018 standard, see #58. It has features to allow the programmer to build in the detection of a failure and action to enable continued correct execution. インテル® Parallel Studio XE 2018 Composer Edition for Fortran リリースノート (英語) インストールの手順 再配布可能パッケージのインストール・プログラムの指示に従ってインストールを進めてください。. With the upcoming release of the Fortran 2018 standard, further significant progress has been made in this effort, especially for parallel programming and language interoperability. Ars may earn. 4 The History of the Fortran Language 13 1. fortran) submitted 11 months ago * by MrsGrayX Slides and exercises for this 2-day workshop on Modern Fortran are available online. Basically there was some old code that needed to be ported to an newer system; it was largely following the Fortran 77 spec so all they needed was an intern to copy the code over to a newer machine, and fix the compiler bugs. Fortran 90 Tutorial Dr. Overview An Intel license is required. While recognizing that "Fortran 2015" has been in use for a while now, most of us feel that changing. Thus x and X refer to the same variable. The installation was installed the next softwares: But when I try to create a new Fortran Project I didn't find the option on the Visual Studio Community 2017. Hence, FORTRAN users can. [10/18] Open Source Fortran meeting. 2 Install FTN95 Personal Edition. The … - Selection from CUDA Fortran for Scientists and Engineers [Book]. The present version is Fortran 2018. In this article, I will show you how to build GCC 9 as a cross compiler for Raspberry Pi.

redpajama_set_name: RedPajamaCommonCrawl


Nankana Lake Resort is located two miles from Nankana Sahib City, in the heart of Punjab. The resort is located on the border of two old land grants of the mid-15th century; Rai Bular's Estate and the old Rajput trail through authentic Punjabi villages approx. 90 Kilometers from Lahore.Nankana Sahib Lake Resort is nice place to have one day picnic with your family friends. It's not far away from Lahore. Due to short time, i could not manage to cover most part of point. However, it's not a rush place expect local holidays. If you want to go there, then choose the Saturday or week day.
The entry ticket is Rs. 250 per head for schools, and Rs. 350 per head for families. It includes: Entry to the Resort, Horse Riding, Ziplining, Boating, Music Show, Mini Golf (for families only). Nankana Lake Resort follows an early precedent set by Rai Bular, the pioneer who founded the original City of Talwandi (now Nankana Sahib) that has attracted visitors to the area from all over the world since 1457 A.D. The resort provides guests with the very best of facilities in which to relax and get away from the urban noise.


Every single one of this issues point out to a God who is taking a risk. In fact the entire life and ministry of Christ is peppered with elements of risk – and all that because He wanted to show how much He loved us, me and you. He was willing to risk all for us!
I hope and pray that, by God's grace and in the true spirit of Christmas, we will be risk takers too – people who bring God's love, hope and joy to a world that needs it so badly!


Signs & Symptoms of Depression | From Emotional Hurt to Emotional Health!
March 28, 2012 Marcus Mottley, Ph.D.
What are the signs and symptoms of depression? People with depressive illnesses do not all experience the same symptoms. The severity, frequency, and duration of symptoms vary depending on the individual and his or her particular illness.
Look out for more posting on Signs and Symptoms of Depression specifically in regards to solutions and treatment.
Previous PostPanic Attack?Next PostAre You Depressed?


text:
module AdminHelper

  def define_setting_action(setting)
    case setting.title
      when 'SITE_VISIBLE'
        if setting.value == 'false'
          haml_concat raw("
")
          button_to "Put the site online", toggle_setting_admin_path(setting), :class => "btn btn-danger btn-sm"
        else

          haml_concat raw("
")
          button_to "Put the site offline", toggle_setting_admin_path(setting), :class => "btn btn-danger btn-sm"

        end
      when 'ADMIN_STRONG_AUTH'
        if setting.value == 'false'
          haml_concat raw("
")
          button_to "Enable Admin strong Auth", toggle_setting_admin_path(setting), :class => "btn btn-danger btn-sm"
        else
          haml_concat raw("
")
          button_to "Disable Admin strong Auth", toggle_setting_admin_path(setting), :class => "btn btn-danger btn-sm"
        end
    end

  end

end

redpajama_set_name: RedPajamaGithub


text:
Injured undocumented worker due comp benefits
Louise Esola
January 27, 2017 Reprints
Workers Comp Coverage More + Less -
A U.S. District Court judge has dismissed an insurer's request to forgo payment of workers compensation benefits for an undocumented landscaper's injury.
The worker had been hired to work for Peconic, New York-based Natural Images Landscaping Inc. when he suffered an injury to his neck on May 7, 2015 while assisting in the removal of a tree, according to the ruling on Tuesday.
According to court documents, NorGuard Insurance Co. provided workers comp to Natural Images but sought a declaratory judgment that it wasn't obligated to pay medical expenses, indemnity payments or comp benefits because he had entered the U.S. illegally.
The insurer also canceled the employer's policy and asserted charges of "fraud and civil conspiracy" against both the worker and the employer, which was accused by NorGuard of failing to disclose that its employees performed tree trimming and pruning work, along with assigning employees to work at an elevation of 15 feet or more.
U.S. District Judge Denis R. Hurley for the Eastern District of New York dismissed the insurer's claims on Tuesday against the worker and the motion for default judgment filed against the landscaping company, and granted the landscaping firm's subsequent motion for dismissal.
"Assuming that (the worker) violated the various immigration and tax laws as alleged, (NorGuard) simply does not 'fall within the zone of interests protected by law invoked,'" the ruling reads. "Such violations are the concern of the Internal Revenue Service, Homeland Security, and like agencies."
Injured undocumented worker entitled to comp
An undocumented worker from Mexico who provided false identification when he was hired by his employer should receive workers compensation benefits for injuries he suffered on that job, the Wyoming Supreme Court ruled Wednesday.
Ruling in undocumented worker case speaks to broader EEOC power
Comp benefit cap for undocumented workers struck down
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text:
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Home Rome Embassy PostPakistan Elected President of International Development Law Organization (IDLO)
Pakistan Elected President of International Development Law Organization (IDLO)
November 25, 2020| Rome Embassy Post|
Pakistan was unanimously elected as President of the Assembly of Parties and Chair of the Standing Committee of International Development Law Organization (IDLO) for a term of three years 2021-2023. The position was vacated by the United States following the completion of their three-year term. Pakistan's Ambassador to Italy and Permanent Representative to FAO, WFP and IFAD, JauharSaleem, will be serving on the dual leadership positions on behalf of Pakistan.
The elections were held at the Annual Conference of the Assembly of Parties of IDLO. Unites States was elected as the Vice President along with Italy. China,Turkey and Kenya, amongst other countries, were elected to the Audit and Finance Committee of the organization.
With its headquarters in Rome, IDLO is the only international inter-governmental organization devoted to promotion of rule of law and rights based development in the world. It was established in 1988 and has 37 member countries, with experience of working with more than 90 countries and legal systems.
With a specific mandate to ensure access to justice, rule of law and protection of human rights, IDLO has made significant contribution to strengthening legal institutions and frameworks around the world,helping create a culture of justice. Besides pursuing its role towards achieving Sustainable Development Goals (SDG)s, focusing on SDG 16, "Peace, Justice & Strong Institutions," IDLO is working with many governments and international organizations on important subjects of sustainable economic development, climate change and global health and food security.
It is the first time that Pakistan has attained a leadership role in IDLO, which has, over the years,expanded both its scope and vision. Pakistan launched its candidacy under the leadership of Ambassador Jauhar Saleem, whoextensively campaigned and projected Pakistan's firm commitment to rule of law, access to justice, transparency and sustainable development.
In his acceptance speech on the occasion, Ambassador Saleem thanked all the member countries for their support and vowed to work together for the shared goals of promoting justice and development in the world. Highlighting Prime Minister Imran Khan's vision and agenda of combating corruption, enhancing transparency and ensuring accountability, he noted that a two pronged strategy was required to address the formidable challenge. On the one hand the national criminal justice institutionsand watchdogs needed to be strengthened by providing more resources and enhancing capacity, on the other, it needed to be ensured through greater international cooperation that ill-gotten or unidentified wealth could not be parked in other countries or off-shore havens, beyond the reach of national authorities. He impressed upon the need for greater focus on ensuring that the national resources of developing countries could only be used for betterment of their wider populations. Ambassador Saleem underlined that rooting out corruption could not only help ensure rule of law and equal rights, but also help to achieve sustainable development.
The participants of a thematic webinar in the wake of the elections, including Head of UNDP, President of ECOSOC, Ombudsman of Afghanistan, Justice Minister of Somalia and Director General IDLO echoed these sentiments.
Pakistan has been a member of IDLO since 2015 and earlier served on Standing Committee and the Audit and Finance Committee as a member.
On the heels of Pakistan's elections as President ECOSOC and Member of Human Rights Council, Pakistan's election as the President of IDLOreflects the growing trust of international community in the country's democratic process and potential for leadership in important areas of international cooperation.
Pakistan would commence its Presidency in January 2021, with United States and Italy serving as Vice Presidents.


Watch Dean 'Schroeder' Reimer perform 'From Yesterday' by 30 Seconds To Mars. Remember when you're covering songs to play what fits the song, and not over-play it. Dean does a great job of that in this drum cover!


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text:
Covid-19 vaccination exercise in India will be complete by December, says Prakash Javadekar
India ranks second in the world in the scale of vaccination by administering over 20 crore doses, and it is set to see a big jump from August, Union Minister Prakash Javadeka said.
Published: 28th May 2021 06:14 PM | Last Updated: 28th May 2021 06:14 PM | A+A A-
Union Environment Minister Prakash Javadekar (Photo | PTI)
NEW DELHI: Asserting that the COVID-19 vaccination will be complete in India by December this year, the BJP on Friday slammed Rahul Gandhi for his attack on Prime Minister Narendra Modi over the pandemic's spread and said the language he used and the way he tried to stoke "fears" confirm that the Congress was behind the "toolkit".
Speaking to reporters, senior BJP leader and Union Minister Prakash Javadekar noted that the health ministry had recently given a roadmap about producing 216 crore doses by December and how 108 crore people will be vaccinated, as he rebutted Gandhi's claim that it may take three years to finish the exercise, considered critical to curb the disease.
Attacking the Congress leader, the Information and Broadcasting minister alleged that his choice of words like "nautanki" for the prime minister when Modi is working to curb Covid is part of the toolkit's script, referring to a controversial document about targeting the government.
The BJP has claimed that the Congress is behind it, a charge the opposition party has rejected.
It has instead blamed the BJP and sought police probe into the matter.
"It has been confirmed, and there is no need for any evidence. It is clear that the toolkit was produced by you. The kind of language you used and the way you tried to stoke confusion and fear among people is part of that politics," Javadekar said.
People have instead put an end to his "nautanki", he added, an apparent pointer to the series of electoral setbacks the opposition party has suffered over the years.
What Gandhi has said is an insult to the country and people, he added.
India ranks second in the world in the scale of vaccination by administering over 20 crore doses, and it is set to see a big jump from August, he said.
The BJP leader said Gandhi should rather be concerned about the Congress-ruled states as they have not been able lift their quota from vaccine producers.
Noting that Gandhi had stressed the importance of vaccination, he said this is what the government has been saying and working on from the beginning and cited the production of two vaccines in India.
Attacking the Congress, Javadekar said its leaders raised questions and spread doubts about the indigenously manufactured Covaxin.
Modi put all such questions to rest by opting for this jab himself, the minister said.
Earlier, Gandhi had held Modi's responsible for the second coronavirus wave and warned of more waves at the current rate of vaccination.
Calling on the government to evolve a vaccine strategy for the entire population, he noted that India is the vaccine capital of the world and it is possible to escalate the inoculation drive as only three per cent of the people have received both doses.
Covid 19 Coronavirus COVID 19 in India Prakash Javadekar BJP


Passionate, affable, software engineer who likes to gel teams and challenge the status quo.
Takes a pragmatic, agile, and test-driven approach to software engineering. Always looking to simplify processes and eliminate redundancy.
A digital design graduate who cares about good UX.
Exposed to a wide range of technologies on numerous projects. Deepened understanding of agile software engineering.
Worked as a graduate IT consultant on site for an FDM client, who specialises in providing enterprise software solutions for insurance companies.
Stepped up to a role that was intended for a senior developer in order to drive forward a key component in the integration of two radically different insurance systems, under time pressure and with no previous experience or expertise in the technologies involved. Rapidly learnt and applied a knowledge of XSLT, SOAP-UI and DB2 along with existing Java skills to help design and develop a mapping layer between the two systems.
Took the initiative to create a training document which was reused on many occasions, freeing up the time of senior developers who no longer had to transfer knowledge verbally.
Gained invaluable experience yielding insights into the successful running of enterprise-level development projects and effective maintenance of a large code base.
4 months of unpaid, 40 hour working weeks being trained by FDM's highly skilled tutors with weekly examinations and minimum pass rates.
Training was centred around Java but also taught professional skills, Unix, SQL, Servlets, JSPs and Spring MVC among others.
Completed the M101J: MongoDB for Java Developers online course run by MongoDB University and was granted a Certificate of Completion.
Explored creative abilities using digital technologies, fostering an appreciation for beautiful design, intelligent branding and immersive user experiences. Scored well in final year dissertation, investigating how designed artefacts interact with society, and their capacity to incite positive change.
2 Cs in Maths and Physics.
5 Bs in English, Maths, and Science.


Desolate Heaven is a potent coming of age story. Two girls burdened with caring for their parents run away together. On their travels they meet three strange women – played with rather discombobulating relish by Tony Award-winner Brid Brennan – who help them.
Opaque references to the early 20th century poet WB Yeats are everywhere, from the story that each woman tells the girls – The Lazy Beauty and Her Aunts, which appeared in a collection he edited – to the poem the play ends on – The Stolen Child. But the meaning behind these references is unclear and they cloud the affecting story of love and betrayal between Orlaith and Sive.
Carla Langley as the frank Orlaith is as brittle as glass but breaks just as easily, while as the gentler Sive Evelyn Lockley infuses the stage with a warm but fragile tenderness. Their relationship is utterly compelling and these two actresses have a great understanding of each other's roles.
Paul Robinson's imaginative direction and Steve Kirkham's movement work make this a dynamic production. But for all their effort Desolate Heaven is eventually weighed down by its own Yeatsian mystique.
cording to Hydrocracker, in Labour's last full year in power, the party laid out a cool £1.8 billion of tax payers cash on consultants. Whilst we're all used to hearing terrible tales of NHS consultancy gone wrong, this is still a staggering truth. In his new play The Consultant, Neil Fleming aims to put this expensive profession under the microscope; just exactly what do these jargon-makers and "Self Help" movers-and-shakers give you for your pound?
At the end of The Consultant we are, somewhat ironically, no nearer to a clear answer. In being unable to avoid cliché, and confounding issues instead of clarifying them, it seems Fleming has fallen into the very trap of the people he is supposed to be exposing.
As the competitively named Rivals opens in the West End, Theatre503 is pushing an altogether friendlier agenda with its Coalition season. Encompassing five short works in each group, the Yellow and Blue programmes will be performed in rep with yesterday the Blue group taking to the podium (tonight is Yellow and so on and so forth).
In a spirited, if slightly patchy, evening and with stringent colour loyalty (am I reading too much into this?) the focus is squarely on the lily livered Lib Dems, betrayers of left wing artists and students everywhere.
Westminster Side Story starts us off with a joyously smart, kitsch extravaganza. True satire that really makes us think, the marriage of poet Richard Marsh and Rogue Nouveau (cover name for singer/songwriter Natalia Sheppard) is a collaboration that this voter would like to see a lot more of. Full of dexterous verbal wit, it is an irreverent look at Clegg's agonised pre-coalition quagmire with some cracking songs thrown in and a cavalcade of hilarious dance numbers. But even as it lampoons these buffoonish anti-heroes, the sucker punch ending takes us all painfully to account; as in life there are no easy options here.
A witty film of David Cameron and Nick Clegg peddling their BS around the streets of Brixton, like a suited and booted tweedle-dee and tweedle-dum, leads us in to a much weaker Altogether Now that just feels plain awkward. To round off act one, an inside look into the life of the notoriously private wife of the Lib Dem leader titled Miriam. Gonzalez. Durantez. which boasts a nice central performance but is never quite as interesting as it promises to be.
A subtle second act sees Gordon Brown's speech writer Kirsty McNeill and playwright Daniel Kanaber take the idea of getting Nick Clegg into bed literally with the sexually fuelled Dexterity, a smooth if slight piece. To round off the proceedings The Prophets And The Puppets sees the most stylistically interesting collaboration between writer Nimer Rashed and legendary puppeteer Ronnie Le Drew. Although it's a little lacking in power, it speaks about coalition in a beautifully lyrical fashion and is probably the only surprise response to this subject matter.
With two downright successes, three competent efforts and only one disaster Theatre503's Coalition is so far one which should make this Government jealous. But with the majority of collaborations between writers of some sort or another, it is a little safe perhaps (so safe an ex-Prime Minister was in attendance on press night). Let's see if the Yellow group can be a little bit more adventurous.
Hmmmm so my timing for this poor blog is shoddy and these producitons are now over. Good work Honour.
Please therefore see these as pieces of interest instead of recommendations, or not, as the case may be.
Theatre 503's The Charming Man boasts some snappy dialogue, wise cracking humour and a very charming central performance, but in terms of political satire it feels about as serious as Boris Johnson.
Set five years into the future, a political void has arisen from a resounding loss of trust in the two big parties (it is unclear which of them is currently in power now, if anyone at all) and the smaller ones are jostling for power. Enter the party with an unshakeable moral core, the Green Party, to save the day in a world of headless chicken politics. But as Party High Command groom Darren, an unknown black, gay youth worker, for the role of Prime Minister, it seems rather predictably they are not as squeaky clean as the world takes them for.
Claiming to be an irreverent look at the machinations of government, Gabriel Bisset-Smith's script is certainly full of pithy comedy but it feels under researched, with the lampooning consequently unfocused and the machinery of politics untouched. To take a scalpel to something one must really know the subject and neither Bisset-Smith nor director Paul Robinson appear to have the insiders' grasp that makes for cutting satire. Only the beginning of a scene depicting a live TV debate feels true enough to relish in Western politics' inherent absurdity.
Libby Watson's strangely confusing design equally lacks rigour. But in the midst of the headless chickens there are some intelligent performances from Syrus Lowe as the charismatic Darren and Kate Sissons, whose impassioned activist Olivia, brings fire and integrity into this political world full of caricatures and clowns.
Defiant teenagers pogo around the stage, exploding into impassioned impressions each time an Ian Dury song is even referenced, let alone played in full. But for all this wilful wildness, Reasons To Be Cheerful feels slightly too polished, a little too planned; there's revelry here but is there real rebellion?
This is partly to do with a story that purely acts as scaffolding to as many Dury songs as possible. Dury fans Vinnie, Colin and Janine are determined to see him live, but when a road trip goes wrong, they end up experiencing something incredibly different, although just as important. In a pub play within a play, they are here to share the events of that day and honour someone very dear to them.
It's a slight premise for a two hour show and a rather sentimental one. It's hard not to imagine writer Paul Sirret saying 'To hell with character development, we need to get Wake Up And Make Love With Me in here by hook or by crook so Janine better start feeling sleepy'. This laziness is annoying as it comes mingled with sporadic moments of beautiful dialogue and flashes of poignancy that enrich this likeable gang and leave one feeling that this could have been much better.
But the cast and band are amiable in the extreme and their eagerness goes a long way in winning one over. Even if the knowingness of their bon ami becomes a little grating, they are brilliant, performing each moment to the hilt. Graeae have once more produced a fully integrated and accessible show, that bypasses discussions of disability to focus squarely on the talent on stage. And a talented bunch they are, sweeping us up in a sophisticated production which goes a long way to belaying the simplicity of the script. If a little contrived, Graeae still prove there are plenty of reasons to be cheerful in this boisterous night out.
" It's a common misconception that life isn't funny even when it's tragic, even when you're in terrible situations funny stuff still happens and it makes it more moving." Gabriel Bisset-Smith grins earnestly and I can't help but grin back because it rings so true. As a Nation in the thralls of a Comprehensive Spending Review so drastic that to call it a terrible situation seems like an understatement, it feels the only thing one can do is laugh. But as the West End seeks solace in a nostalgic representation of political ridicule with Yes, Prime Minister, Theatre503 is heading up a season of playful contemporary satire, beginning with Bisset-Smith's The Charming Man.
Much like the political world it reflects, the process of commissioning, rehearsing and producing this play has been a whirlwind one, essentially taking place over just two months. Complete strangers initially, they appear fast friends now having worked closely throughout the rehearsal process ("It's been a crash course in rehearsal politics!" Bisset-Smith confesses) and it is a collaboration that seems to come from a genuinely shared artistic understanding.
But for all their earnestness the smooth world of politics does seem to have rubbed off on them; "In some ways the play is our candidate for election and we're going 'Will they vote for it… does this hold up?' I feel like we've been grooming a candidate and trying to get him to say the right thing and we are the spin doctors behind it." Whilst Robinson chuckles, Bisset-Smith grins again like a charming candidate himself, beaming at me and I can't help but grin back.


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