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Cambridge IGCSE Physics practice

Paper 4 structured question: Series and parallel circuits

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Series and parallel circuits

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Paper 4Theory (Extended)1 marks

Analyzing a simple circuit with multiple branches.

Description

Current Flow in a Circuit

In a circuit, three wires meet at a junction. Wire A carries 2 A, Wire B carries 3 A, and Wire C is unknown. Determine the current in Wire C.

  1. a

    State the current in Wire C.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 4 structured question: Series and parallel circuits

Paper 4Theory (Extended)2 marks

Description

Current Distribution

At a junction, 6 A enters from one side and 4 A exits from another. Calculate the current exiting from the third wire.

  1. a

    Explain how you determined the current in the third wire.

    Aim for approximately 2 distinct marking points.

    [2]