O-LevelPhysicsElectricity5054/12 · Oct/Nov 2016 · Q351 Mark

The headlamp circuit in a car includes a 7A fuse. What is the purpose of the fuse?

AIt increases the resistance of the circuit.

BIt makes it easier for the current to flow.

CIt protects the wiring from overheating.

DIt reduces the voltage across the lamp.

✓ Correct answer

C: It protects the wiring from overheating.

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Topic: Electricity, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, Oct/Nov 2016 Paper 1 Variant 2, question 35.

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