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A sphere of radius R is charged uniforml...

A sphere of radius R is charged uniformly with a volume charge density. It is disassembled and reassembled in two identical spheres kept far from each other.

A

Positive work is done by external agent

B

Potential energy of system decreases

C

Potential energy of system increases

D

Work is done by the system

Text Solution

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The correct Answer is:
B, D
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