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A point charge q is brought slowly from ...

A point charge q is brought slowly from infinity and is placed at the centre of a conducting neutral spherical shell of inner radius a and outer radius b, then find work done by external agent :

A

0

B

`("kq"^(2))/(2b)`

C

`("kq"^(2))/(2b)-("kq"^(2))/(2a)`

D

`("kq"^(2))/(2a)-("kq"^(2))/(2b)`

Text Solution

Verified by Experts

The correct Answer is:
C
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