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Learning objective

Recognize that the strength of a magnetic field is indicated by the spacing of the magnetic field lines.

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

Exam focus

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

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Quick explanation

Recognize that the strength of a magnetic field is indicated by the spacing of the magnetic field lines

  • This point belongs to Simple phenomena of magnetism, especially Simple phenomena of magnetism outcomes.
  • You need to be able to recognize that the strength of a magnetic field is indicated by the spacing of the magnetic field lines.
  • The key ideas to know are Know and State.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

KnowState

Why it matters

This objective helps connect Simple phenomena of magnetism outcomes to exam-style questions, flashcards, and revision notes for Simple phenomena of magnetism.

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Practice Questions7 linked questions

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Paper 4 structured question: Simple phenomena of magnetism

Paper 4Theory (Extended)1 marks

Description

Magnetic Field Lines

The diagram shows magnetic field lines around a bar magnet. The lines are denser at the poles and spread out as they move away from the magnet.

  1. a

    State the significance of the spacing of magnetic field lines.

    Aim for approximately 1 distinct marking point.

    [1]
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