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Define electromotive force (e.m.f.) as the work done by a source to move a unit charge around a complete circuit.

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Cambridge IGCSE Combined ScienceElectricitySupplement content

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Define electromotive force (e.m.f.) as the work done by a source to move a unit charge around a complete circuit

  • This point belongs to Electrical quantities, especially Electrical quantities outcomes.
  • You need to be able to define electromotive force (e.m.f.) as the work done by a source to move a unit charge around a complete circuit.
  • The key ideas to know are Define.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

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Define

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This objective helps connect Electrical quantities outcomes to exam-style questions, flashcards, and revision notes for Electrical quantities.

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Paper 4 structured question: Electrical quantities

Paper 4Theory (Extended)2 marks

Description

Electromotive Force in Circuits

Electromotive force (e.m.f.) is a key concept in electrical circuits, representing the energy supplied by a source to move charges.

  1. a

    Define electromotive force (e.m.f.) in your own words.

    Aim for approximately 2 distinct marking points.

    [2]
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