Learning objective

Explain electromotive force (e.m.f.) as the amount of electrical work performed by a source to move a unit charge around a full circuit.

Read the explanation, check the common trap, then practise with flashcards and questions.

Practise this topic Read the exam answer Topic hub

Exam focus

Read the explanation.
Check key terms.
Practise with linked questions.

Cambridge IGCSE PhysicsElectricity and magnetismCore content

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Quick explanation

Explain electromotive force (e.m.f.) as the amount of electrical work performed by a source to move a unit charge around a full circuit

This point belongs to Electromotive force and potential difference, especially Electromotive force and potential difference outcomes.
You need to be able to explain electromotive force (e.m.f.) as the amount of electrical work performed by a source to move a unit charge around a full circuit.
The key ideas to know are Define and Explain.
Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DefineExplain

Why it matters

This objective helps connect Electromotive force and potential difference outcomes to exam-style questions, flashcards, and revision notes for Electromotive force and potential difference.

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