From the figure below, find the potential difference across if = 15.8 V, = 2.14 , = 4.46 , and R2 R1 R2 R3 = 1.64 . 8.55 V Chapter 28 Q) Which of the following set of vectors are correct? P) A particle moves along a circle in a region of uniform magnetic field of magnitude = 5.68 mT. B The particle is either a proton or an electron (you must decide which). It experiences a magnetic force of magnitude 1.81 x 10-15 N. What are the particle's speed (in m/s), the radius of the circle (in m), (a) (b) and the period of the motion (in s)? The charge of an electron is -1.602 x 10-19 C and its mass is 9.109 (c) x 10-31 kg. The charge of a proton is +1.602 x 10-19 C and its mass is 1.673 x 10-27 kg. 1990000 m/s (a) (b) 0.00199 m (c) 6.29E-9 s Chapter 29 Q) The figure below shows cross sections of two long straight wires; the left-hand wire carries current directly out of the page. If the net magnetic field due to the two currents is to be zero at point i1 P, (a) should the direction of current in the right-hand wire be directly into or out of the page and (b) i2 should be greater than, less than, or equal to i2 i1? P) A cylindrical cable of radius 7.48 mm carries a current of 23.1 A, uniformly spread over its area. At what distance from the center of the wire is there a point within the wire where the magnetic field is 0.241 mT? 2.92 mm
From the figure below, find the potential difference across R2 if = 15.8 V, R1 = 2.14 , R2 = 4.46 , and R3 = 1.64 . 8.55 V Chapter 28 Q) Which of the following set of vectors are correct? P) A particle moves along a circle in a region of uniform magnetic field of magnitude B = 5.68 mT. The particle is either a proton or an electron (you must decide which). It experiences a magnetic force of magnitude 1.81 x 10-15 N. What are (a) the particle's speed (in m/s), (b) the radius of the circle (in m), and (c) the period of the motion (in s)? The charge of an electron is -1.602 x 10-19 C and its mass is 9.109 x 10-31 kg. The charge of a proton is +1.602 x 10-19 C and its mass is 1.673 x 10-27 kg. (a) 1990000 m/s (b) 0.00199 m (c) 6.29E-9 s Chapter 29 Q) The figure below shows cross sections of two long straight wires; the left-hand wire carries current i1 directly out of the page. If the net magnetic field due to the two currents is to be zero at point P, (a) should the direction of current i2 in the right-hand wire be directly into or out of the page and (b) should i2 be greater than, less than, or equal to i1? P) A cylindrical cable of radius 7.48 mm carries a current of 23.1 A, uniformly spread over its area. At what distance from the center of the wire is there a point within the wire where the magnetic field is 0.241 mT? 2.92 mm