Cambridge IGCSE Physics
4Electricity and magnetism
In this topic
Lessons
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Magnets and magnetic fields
30 min
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Uses of permanent magnets and electromagnets
20 min
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Mains electricity and electrical safety
32 min
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Circuit diagrams and components
25 min
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Diodes and light-emitting diodes
25 min
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Electric charge and electrostatics
30 min
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Electromagnetic induction
30 min
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Electric current
25 min
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Series and parallel circuits
30 min
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The a.c. generator and the d.c. generator
28 min
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Potential dividers and sensors
30 min
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E.m.f. and potential difference
25 min
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The magnetic effect of a current
30 min
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The force on a current-carrying conductor
30 min
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Resistance and Ohm's law
32 min
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Electrical power, energy and cost
30 min
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The d.c. motor
25 min
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Transformers and the transmission of electricity
35 min
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Sample question
A sample question on this topic. Answer it, check it, then read the worked answer.
Turn Electricity and magnetism into a strength.
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