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The Self Potential Energy of Continuous Charge Distributions

Intuitively s...

Question

Intuitively speaking, In which case external agent has to do more work: shell or sphere of same charge and radius?

A

Shell

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B

Sphere

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C

Equal in both.

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D

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Solution

The correct option is B Sphere
In case of a shell, total charge has to be brought to its periphery but in case of a solid sphere, the whole bulk has to be filled with the charge, which will take more work.

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