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Exam-style practice

Electrical circuits answer explanations

Review worked answers and explanations for Electrical circuits. Aligned to Cambridge IGCSE Combined Science.

Answer explanations

Question 1 of 20

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Paper 3 structured question: Electrical circuits

Paper 3Theory (Core)2 marks

Diagram Description

Circuit Diagram

The diagram shows a battery connected to a lamp through a switch.

  1. a

    Describe the function of the switch in this circuit.

    [2]