Calculate the self potential energy of charge q distributed over the surface of a hollow sphere of radius R. What happens to this self energy when R=0, or when the charge is an ideal point charge?

Q charge is distributed uniformly through the volume of a sphere of radius R, The energy of the system will be—

Q amount of electric charge is present on the surface of a sphere having radius R. Calculate the total energy of the system.

A charge Q is distribution over a metal sphere of radius R. What is the electric field and electric potential at the centre ?

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.

If Q charge is given to a sphere of radius R, the energy of the system is

Electric potential at a point P, r distance away due to a point charge q kept at point A is V. If twice of this charge is distributed uniformly on the surface of a hollow sphere of radius 4r with centre at point A the potential at P now is

Electric potential at a point P, r distance away due to a point charge q kept at point A is V. If twice of this charge is distributed uniformly on the surface of a hollow sphere of radius 4r with centre at point A the potential at P now is

Potential due to continuous charge distribution and self energy