A solid spherical conductor of radius R has a spherical cavity of radius at its centre. A charge is kept at the centre. The charge at the inner surface, outer surface are respectively.

A solid spherical conductor of radius R has a spherical cavity of radius at its centre. A charge is kept at the centre of the cavity. The charge at the inner surface, outer surface are respectively.

A solid spherical conductor of radius R has a spherical cavity of radius a(a

An uncharged conductor of arbitrary (non-spherical)shape, has a spherical cavity with a point charge q kept at its centre. The induced surface charge densities at outer surface of conductor and inner surface of cavity in electrostatic condition are respectively

A hollow spherical conductor of radius 3 cm is charged with a charge of 36 pi C. The surface density of charge on the inner surface of the hollow conductor is

A spherical conducting shell of inner radius r_1 and outer radius r_2 has a charge Q. A charge q is placed at the centre of the shell. What is the surface charge density on the inner and outer surfaces of the shell?

A spherical conducting shell of inner radius r_1 and outer radius r_2 has a charge Q. A charge q is placed at the centre of the shell. What is the surface charge density on the inner and outer surfaces of the shell ?