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Cambridge IGCSE Physics practice

Paper 3 structured question: Circuit diagrams and circuit components

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3

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2

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Topic

Circuit diagrams and circuit components

Exam-style question

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Paper 3Theory (Core)2 marks

Analyzing a circuit with various components.

Description

Circuit Analysis

In a circuit with a battery, a motor, and a fuse, the battery provides power, the motor converts electrical energy to mechanical energy, and the fuse protects the circuit from overload.

  1. a

    Explain the role of the fuse in this circuit.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 3 structured question: Circuit diagrams and circuit components

Paper 3Theory (Core)1 marks

Description

Circuit Components

A circuit includes a battery, a switch, a resistor, and a lamp. The battery provides power, the switch controls the circuit, the resistor limits current, and the lamp converts electrical energy to light.

  1. a

    State the function of the switch in the circuit.

    Aim for approximately 1 distinct marking point.

    [1]