Charge `Q` is distributed on two concentric spheres of radius r and R resp. if charge density of both spheres is same then electric potential at centre will be

A charge Q is distributed over two concentric hollow spheres of radius r and R(gtr) such that the surface densities are equal. The potential at the common centre is

A charge Q is distributed over two concentric hollow spheres of radii r and R (gt r) such that the surface charge densities are equal. Find the potential at the common centre.

A charge Q is distributed over two concentric hollow spheres of radii r and R (gt r) such that the surface charge densities are equal. Find the potential at the common centre.

A charge Q is distributed over two concentric hollow spheres of radii r and R (gt r) such that the surface charge densities are equal. Find the potential at the common centre.

A charge Q is distributed over two concentric hollow spheres of radii r and R (gt r) such that the surface charge densities are equal. Find the potential at the common centre.

A charge Q is distributed over two concentric hollow spheres of radii r and R (gt r) such that the surface charge densities are equal. Find the potential at the common centre.

A charge Q is distributed over two concentric hollow spheres of radii r and R (R gt r), so that the surface charge densities are equal. The potential at the common centre is (1)/(4pi epsi_(0))" times"

A charge q is distributed over two concentric hollow spheres of raddii r and R such that the surface densities are equal. Find the potential at the common centre.

Two concentric spheres of radii R and r have similar charges with equal surface charge densities (sigma) . The electric potential at their common centre is