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Learning objective

Identify the factors that influence the strength of an induced electromotive force (e.m.f.).

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  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE PhysicsElectricity and magnetismCore content

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Quick explanation

Identify the factors that influence the strength of an induced electromotive force (e.m.f.)

  • This point belongs to Electromagnetic induction, especially Electromagnetic induction outcomes.
  • You need to be able to identify the factors that influence the strength of an induced electromotive force (e.m.f.).
  • The key ideas to know are State and Identify.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

StateIdentify

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

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Paper 3 structured question: Electromagnetic induction

Paper 3Theory (Core)1 marks

Description

Factors Affecting Induced e.m.f.

Consider a coil of wire placed in a magnetic field. The strength of the induced e.m.f. can vary based on several factors.

  1. a

    State one factor that influences the strength of induced e.m.f.

    Aim for approximately 1 distinct marking point.

    [1]
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