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A charge Q is uniformly distributed over...

A charge Q is uniformly distributed over the surface of two conducting concentric spheres of radii R and r (Rgtr). Then, potential at common centre of these spheres is

A

`(KQ(R+r))/(Rr)`

B

`(KQ(R+r))/(R^(2)+r^(2))`

C

`(KQ)/(sqrtR^(2)+r^(2))`

D

`KQ((1)/(R)-(1)/r)`

Text Solution

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