O-LevelPhysicsElectricity5054/11 · May/June 2010 · Q291 Mark

A student tests the circuit of a press-button telephone with a lamp and a battery. Which single switch can be pressed to make the lamp light?

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✓ Correct answer

C: 5

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Topic: Electricity, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2010 Paper 1 Variant 1, question 29.

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