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A solid of radius 'R' is uniformly charg...

A solid of radius 'R' is uniformly charged with charge density `rho` in its volume. A spherical cavity of radius `R/2` is made in the sphere as shown in the figure. Find the electric potential at the centre of the sphere.

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The correct Answer is:
`V=(5 rho R^(2))/(12 in_(0))`
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