An isolated metal sphere of radius `R` is charged up to potential `V`.Energy stored in the electric field associated with the charged sphere can be given by .

Metallic sphere of radius R is charged to potential V. Then charge q is proportional to

A metal sphere of radius R is charged to a pontital V . (a ) Find the electtrostatic energy stored in the electric field within a concentric sphere of radius 2 R . (b )Show that the electrostatic field energy stored outside the sphere of radius 2R equals that stored within it .

A conducting sphere of radius R is charged to a potential of V volts. Then the electric field at a distance r ( gt R) from the centre of the sphere would be

AN isolated conducting sphere whose radius R is 6.85 cm has a charge q=1.25 nC (a) How much potential energy is stored in the electric field of this charged conductor? (b) What is the energy density at the surface of the sphere?

A hollow metal sphere of radius 10cm is charged such that the potential on its surface is 80 V. The potential at the centre of the sphere is

A hollow metal sphere of radius 5 cm is charged so that the potential on its surface is 10 V . The potential at the centre of the sphere is