O-LevelPhysicsElectricity5054/11 · Oct/Nov 2011 · Q331 Mark

In the circuit shown, the alarm bell will only start ringing some time after the switch is closed. What causes the time delay?

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Athe capacitor charging

Bthe capacitor discharging

Cthe resistor cooling down

Dthe resistor heating up

✓ Correct answer

A: the capacitor charging

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Topic: Electricity, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, Oct/Nov 2011 Paper 1 Variant 1, question 33.

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