A hollow conducting spherical shell of radius R is charged with Q coulomb. The amount of work done for moving any charge q from the centre to the surface of the shell will be
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Potential inside the hollow conducting sphere is same as potential at the surface of sphere i.e. 4πϵ0RQ Difference in potential between the surface and center ΔV=0 Thus work done, W=qΔV=0 So, no work done is done in moving a charge on a equipotential region.