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What should be the shape of a conductor that can hold a charge for long?

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in Physics – Class 12 by (135k points)
What should be the shape of a conductor that can hold a charge for long?

(a) Cubical

(b) Conical

(c) Sharp-edged

(d) Spherical

I have been asked this question in an internship interview.

Enquiry is from Basic Properties of Electric Charge in section Charges and Fields of Physics – Class 12

1 Answer

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Best answer
Correct answer is (d) Spherical

The best explanation: Sphere has uniform charge distribution over its entire surface. It doesn’t have any sharp edges hence very little chance of charge accumulation at those edges and hence very little chance of discharge of stored charge.

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