Physics · May / June 2021 · Paper 11 · Question 28
A positively charged rod is held close to an insulated metal sphere. The sphere is earthed as shown. The earth connection is removed and then the rod is removed. Which diagram shows the charges on the sphere after the rod is removed?
- ADiagram A: sphere with positive charges distributed all over
- BDiagram B: sphere with positive charges concentrated on one side
- CDiagram C: sphere with negative charges distributed all over
- DDiagram D: sphere with negative charges concentrated on one side
As printed in the paper
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Correct answer: C. Diagram C: sphere with negative charges distributed all over
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