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ELECTROMAGNETISM

Electromagnetism

Electrostatics, circuits, magnetic fields and induction — the second largest module.

Learning units

Open a unit, then choose a topic. The topic page is the permanent home for its lesson, practice and quiz resources.

01ElectrostaticsCharge, Coulomb's law, field strength and potential.＋
Charge, charge conservation and Coulomb's lawCharge and Coulomb's lawPartially availableQuiz →
Electric field strength and field linesElectric fieldPartially availableQuiz →
Potential, potential difference and work by the fieldElectric potentialPartially availableQuiz →
02Direct-current circuitsCurrent, Ohm's law, series and parallel circuits, sources and power.＋
Current, Ohm's law and series/parallel circuitsDC circuitsPartially availableQuiz →
Sources, electric power and non-ohmic circuitsSources and powerPartially availableQuiz →
03Magnetic fieldMagnetic induction, flux and the Ampère force.＋
Magnetic field, flux and Ampère forceMagnetic field and Ampère forcePartially availableQuiz →
04Electromagnetic inductionFaraday's law, Lenz's law and motional emf.＋
Faraday's law and Lenz's lawFaraday and LenzPartially availableQuiz →
Motional emf and electromagnetic brakingMotional emfPartially availableQuiz →