O-LevelPhysicsElectricity5054/11 · May/June 2016 · Q371 Mark

A potential divider consists of a thermistor and a light-dependent resistor (LDR). Which conditions give the smallest voltage V across the LDR?

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Acold and dark

Bcold and light

Chot and dark

Dhot and light

✓ Correct answer

B: cold and light

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Topic: Electricity, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2016 Paper 1 Variant 1, question 37.

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