If on the concentric hollow spheres of radii r and 4 R r the

Last updated: 6/11/2023

If on the concentric hollow spheres of radii r and 4 R r the charge Q is distributed such that their surface densities are same then the potential at their common centre is 1 Q R r 4 R r 3 Zero 2 QR R r Q R r 4760 4 R r