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Two concentric spheres of radii R and r ...

Two concentric spheres of radii `R` and `r` have similar charges with equal surface charge densities `(sigma)`. The electric potential at their common center is

A

`sigma//epsilon_0`

B

`sigma/epsilon_0(R-r)`

C

`sigma/epsilon_0(R+r)`

D

`sigma/(4piepsilon_0)(R-r)`

Text Solution

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The correct Answer is:
C
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