Electricity
Everything you need to understand GCSE Electricity, explained step by step.
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Work through the 13 chapters in order, or choose a chapter you'd like to revisit.
01What is an electric circuit?
02Why must a circuit be complete?
03Conductors and insulators
04Electric charge
05Electric current
06What actually moves through a wire?
07Measuring current
08Potential difference
09Measuring potential difference
10Resistance
11Series and parallel circuits
12Power and energy
13Safety and domestic electricity