O-LevelPhysicsElectricity5054/12 · Oct/Nov 2023 · Q331 Mark

Which graph shows how the current changes when the voltage across a resistor of constant resistance is varied?

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AGraph A (linear, passing through the origin with a positive slope)

BGraph B (curved, current decreases with increasing voltage)

CGraph C (vertical line, current is constant regardless of voltage)

DGraph D (linear, current decreases with increasing voltage, crosses voltage axis)

✓ Correct answer

A: Graph A (linear, passing through the origin with a positive slope)

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Topic: Electricity, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, Oct/Nov 2023 Paper 1 Variant 2, question 33.

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