The energy stored in the electric field produced by a metal sphere is 4.5 J. If the sphere contains `4mu C` charge, its radius will be:

Find the energy stored in the electirc field produced by a metal sphere of radius R containing a charge Q.

Find the energy stored in the electirc field produced by a metal sphere of radius R containing a charge Q.

Find the energy stored in the electirc field produced by a metal sphere of radius R containing a charge Q.

A metal sphere of radius R is charged to a pontital V . (a ) Find the electrostatic 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 metal sphere of radius R is charged to a pontital V . (a ) Find the electrostatic 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 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 .

Electric field of an isolated charged metallic sphere at any interior point is

A small charged metal sphere is situated in an earthed metal box. Illustrates the electric field between the sphere and the metal box. The radius r of the sphere is 2.4 cm. The magnitude of the charge q on the sphere is 0.76 n C.

The electric field due to a point charge at a distance R from it is E. If the same charge is placed on a metallic sphere of radius R , the electric field on the surface of the sphere will be nE , then the value of n is

A spherical charged conductor has sigma as the surface density of charge. The electric field on its surface is E. If the radius of the sphere is doubled keeping the surface density of charge unchanged, what will be the electric field on the surface of the new sphere -