Cambridge IGCSE Physics practice

Paper 4 structured question: Series and parallel circuits

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At a glance

Paper

Marks

Topic

Series and parallel circuits

Exam-style question

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Paper 4Theory (Extended)2 marks

Understanding current distribution in a circuit.

Description

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

a
Explain how you determined the current in the third wire.
Your answer
Aim for approximately 2 distinct marking points.
[2]

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Paper 4Theory (Extended)1 marks

Description

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.

a
State the current in Wire C.
Your answer
Aim for approximately 1 distinct marking point.
[1]