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Three concentric conducting spherical sh...

Three concentric conducting spherical shells of radii R,2R carry charges Q, -2Q and 3Q, respectively. Find the electric potential at r = R and at r = 3 R, where r is the radii distance from the centre.

A

`(Q)/(4piepsilon_(0)R),(Q)/(6piepsilon_(0)R)`

B

`(Q)/(6piepsilon_(0)R),(Q)/(piepsilon_(0)R)`

C

`(Q)/(piepsilon_(0)R),(Q)/(4piepsilon_(0)R)`

D

`(Q)/(2piepsilon_(0)R),(Q)/(4piepsilon_(0)R)`

Text Solution

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The correct Answer is:
A
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