O-LevelPhysicsElectricity5054/11 · May/June 2016 · Q281 Mark

The diagram shows an uncharged ball coated with metallic paint. The ball is suspended from an insulating thread. It is placed near a positively charged rod. Which diagram shows the charge distribution on the ball?

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ADiagram A showing uniform positive charge distribution on the ball.

BDiagram B showing negative charges near the rod and positive charges on the far side of the ball.

CDiagram C showing no charge distribution on the ball.

DDiagram D showing positive charges near the rod and negative charges on the far side of the ball.

✓ Correct answer

D: Diagram D showing positive charges near the rod and negative charges on the far side of the ball.

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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 28.

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