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

A hollow metallic sphere of radius 0.1 m is charged to a potential of 5 V. The potential at its centre is

A metal sphere A of radius a is charged to potential V. What will be its potential if it is enclosed ny a spherical conducting shell B of radius b and the two are connected by a wire ?

A metal sphere A of radius a is charged to potential V. What will be its potential if it is enclosed ny a spherical conducting shell B of radius b and the two are connected by a wire ?

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 .

A metal sphere of radius 10 cm is charged to a potential of 100 V. The outward pull per unit area of the surface is