10 2 11/12 4.2 Compasses and Describe the magnetic field. P4.1c, d, e, f Worksheet 4.2; Quick starter magnetic fields Describe the magnetic effect of a current. Practical sheet 4.2; Homework Technician’s notes worksheet 4.2; PowerPoint Homework quiz presentation 10 2 11/12 4.3 Magnetic effects (HT) Draw the magnetic field around a conducting wire P4.1g Worksheets 4.3.1 and Quick starter and a solenoid. 4.3.2; Practical sheet Homework Describe the force on a wire in a magnetic field. 4.3; Technician’s worksheet notes 4.3; PowerPoint Homework quiz (HT) Apply the left-hand rule to work out the direction of a presentation magnetic field, a current or a force around a wire. (HT) 10 2 11/12 4.4 Calculating the force on Explain the meaning of magnetic flux density, B. P4.2c Worksheets 4.4.1 and Quick starter a conductor (HT only) Calculate the force on a current-carrying conductor 4.4.2; Technician’s Homework in a magnetic field. notes 4.4; PowerPoint worksheet presentation Homework quiz 10 2 11/12 4.5 The generator effect Describe how a current is induced in a wire when it P4.2e Worksheet 4.5; Quick starter (HT only) moves in a magnetic field. Homework Practical sheet Identify the factors that affect the size and direction worksheet 4.5; Technician’s of the induced current or induced potential Homework quiz notes 4.5; difference. PowerPoint presentation Worksheets 4.6.1 10 2 11/12 4.6 Electric motors (HT List equipment that uses motors. P4.2d Quick starter only) Describe how motors work. Homework and 4.6.2; Describe how to change the and direction of worksheet Practical sheet rotation of a motor. Homework quiz 4.6; Technician’s notes 4.6; PowerPoint presentation
10 2 11/12 4.2 Compasses and magnetic fields Describe the magnetic field. Describe the magnetic effect of a current. P4.1c, d, e, f Worksheet 4.2; Practical sheet 4.2; Technician’s notes 4.2; PowerPoint presentation Quick starter Homework worksheet Homework quiz 10 2 11/12 4.3 Magnetic effects (HT) Draw the magnetic field around a conducting wire and a solenoid. Describe the force on a wire in a magnetic field. (HT) Apply the left-hand rule to work out the direction of a magnetic field, a current or a force around a wire. (HT) P4.1g Worksheets 4.3.1 and 4.3.2; Practical sheet 4.3; Technician’s notes 4.3; PowerPoint presentation Quick starter Homework worksheet Homework quiz 10 2 11/12 4.4 Calculating the force on a conductor (HT only) Explain the meaning of magnetic flux density, B. Calculate the force on a current-carrying conductor in a magnetic field. P4.2c Worksheets 4.4.1 and 4.4.2; Technician’s notes 4.4; PowerPoint presentation Quick starter Homework worksheet Homework quiz 10 2 11/12 4.5 The generator effect (HT only) Describe how a current is induced in a wire when it moves in a magnetic field. Identify the factors that affect the size and direction of the induced current or induced potential difference. P4.2e Worksheet 4.5; Practical sheet 4.5; Technician’s notes 4.5; PowerPoint presentation Quick starter Homework worksheet Homework quiz 10 2 11/12 4.6 Electric motors (HT only) List equipment that uses motors. Describe how motors work. Describe how to change the and direction of rotation of a motor. P4.2d Worksheets 4.6.1 and 4.6.2; Practical sheet 4.6; Technician’s notes 4.6; PowerPoint presentation Quick starter Homework worksheet Homework quiz
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