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Discuss how electrical conduction occurs in metals through the movement of free electrons.

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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

Discuss how electrical conduction occurs in metals through the movement of free electrons

  • This point belongs to Electric current, especially Electric current outcomes.
  • You need to be able to discuss how electrical conduction occurs in metals through the movement of free electrons.
  • The key ideas to know are Describe.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

Describe

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

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Paper 3 structured question: Electric current

Paper 3Theory (Core)1 marks

Description

Electrical Conduction in Metals

Metals conduct electricity due to the presence of free electrons that can move through the metal lattice when an electric field is applied.

  1. a

    State the role of free electrons in electrical conduction in metals.

    Aim for approximately 1 distinct marking point.

    [1]
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