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A solid conducting sphere of radius a having a charge q is surrounded by a concentric conducting spherical shell of inner radius `2a` and outer radius `3a` as shown in figure. Find the amount of heat porduced when switch is closed `(k=1/(4piepsilon_0))`

A

`(Kq^(2))/(2a)`

B

`(Kq^(2))/(3a)`

C

`(Kq^(2))/(4a)`

D

`(Kq^(2))/(6a)`

Text Solution

Verified by Experts

The correct Answer is:
C
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