Electricity — PhysicsRevise Electricity for Physics. Each topic below includes explanations, worked examples and exam-style questions.Topics in ElectricityCurrent, Voltage & ResistanceSeries & Parallel CircuitsElectrical ChargePotential DifferenceOhm's LawIV CharacteristicsElectric PowerDomestic Uses & SafetyEnergy Transfers in CircuitsPractise Electricity All Physics topics