A charge is distributed over two concentric hollow spheres of radii and

PHYSICS · Subjective · CBSE · Physics · Electrostatic Potential and Capacitance · Electrostatic Potential and Capacitance

Problem

A charge

q

is distributed over two concentric hollow spheres of radii

r

and

R

, where

R>r

, such that their surface charge densities are equal. Find the potential at their common centre.