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Three concentric conducting spherical sh...

Three concentric conducting spherical shells of radii R, R2 and 3R carry charges Q,-2Q and 3Q, respectively compute the electric field at `r = (5)/(2) R`

A

`(-Q)/(3piepsilon_(0)R^(2))hat(r)`

B

`(-Q)/(25piepsilon_(0)R^(2))hat(r)`

C

`(-Q)/(5piepsilon_(0)R^(2))hat(r)`

D

`(-Q)/(piepsilon_(0)R^(2))hat(r)`

Text Solution

Verified by Experts

The correct Answer is:
B
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