O-LevelPhysicsElectricity5054/11 · May/June 2023 · Q271 Mark

In an electrostatics experiment, a plastic rod is rubbed with a cloth. The cloth becomes negatively charged. Which diagram shows the charge on the rod and describes the movement of charge?

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ARod is positive, electrons move from rod on to the cloth

BRod is positive, protons move from the cloth on to the rod

CRod is negative, electrons move from the cloth on to the rod

DRod is negative, protons move from the rod on to the cloth

✓ Correct answer

A: Rod is positive, electrons move from rod on to the cloth

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Topic: Electricity, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2023 Paper 1 Variant 1, question 27.

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