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Learning objective

Recognize the distinction between direct current (d.c.) and alternating current (a.c.).

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  • Practise with linked questions.
Cambridge IGCSE PhysicsElectricity and magnetismCore content

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Quick explanation

Recognize the distinction between direct current (d.c.) and alternating current (a.c.)

  • This point belongs to Electric current, especially Electric current outcomes.
  • You need to be able to recognize the distinction between direct current (d.c.) and alternating current (a.c.).
  • The key ideas to know are Know.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

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Know

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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

Types of Electric Current

There are two main types of electric current: direct current (D.C.) and alternating current (A.C.). D.C. flows in one direction, while A.C. changes direction periodically.

  1. a

    State the main difference between D.C. and A.C.

    Aim for approximately 1 distinct marking point.

    [1]
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