A charge Q is distributed over two concentric hollow spheres of radii a and b (a>b), so that the surface charge densities are equal. The potential at the common centre is 1/4π∈0 times A charge Q is distributed over two concentric hollow spheres of radii a and b (a>b) so that the surface charge densities are equal. The potential at the common centre is 1/4π∈0 times November 30, 2020 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 18 - Electric Potential and Capacitance , Facebook Messenger WhatsApp Share this:TwitterFacebook Related