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Two concentric spherical conducting shells of radii R and 2R are carrying charges q and 2q, respectively. Both are now connected by a conducting wire. Find the change in electric potential (inV) on the outer shell.

A

zero

B

`(3 KQ) /( 2R)`

C

`(KQ)/(R )`

D

`(2KQ)/(R )`

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The correct Answer is:
A
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