O-LevelPhysicsElectricity5054/12 · Oct/Nov 2019 · Q301 Mark

A metal plate X is attached to earth by a battery. The plate has a positive charge. A second metal plate Y is initially uncharged and connected to earth. This plate is positioned parallel to X. What happens as Y is brought closer to X?

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AElectrons flow from Y to earth only.

BElectrons flow to Y from earth only.

CProtons flow from Y to earth and electrons flow to Y from earth.

DProtons flow to Y from earth and electrons flow from Y to earth.

✓ Correct answer

B: Electrons flow to Y from earth only.

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Topic: Electricity, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, Oct/Nov 2019 Paper 1 Variant 2, question 30.

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