Chage `Q` is distributed to two different metwllic spheres having radii `R`and `2R` such that both spheres having equal surface charge densityh. Then charge on larger sphere is

Two charged spheres of radii R_(1) and R_(2) having equal surface charge density. The ratio of their potential is

Two charged spheres of radii R_(1) and R_(2) having equal surface charge density. The ratio of their potential is

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

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 radii r and R (gt r) such that the surface charge densities are equal. Find the potential at the common centre.