4. Electricity and magnetism
4.1 Simple phenomena of magnetism
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4.2.1 Electric charge
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4.2.2 Electric current
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4.2.3 Electromotive force and potential difference
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4.2.4 Resistance
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4.2.5 Electrical energy and electrical power
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4.3.1 Circuit diagrams and circuit components
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4.3.2 Series and parallel circuits
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4.3.3 Action and use of circuit components
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4.4 Electrical safety
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4.5.1 Electromagnetic induction
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4.5.2 The a.c. generator
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4.5.3 Magnetic effect of a current
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4.5.4 Force on a current-carrying conductor
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4.5.5 The d.c. motor
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4.5.6 The transformer
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No mistakes yetMistakes will appear here after practice.