A charge q is distributed uniformly on the surface of a sold sphere of radius R. It covered by a concentric hollow conduction sphere of radius `2R`. Find the charges inner and outer surface of hollow sphere if it is earthed.

A Charge of 4 xx 10^(-8) C is distributed uniformaly on the surface of a sphere of radius 1 cm. It is covered by a concentric, hollow conducting sphere of radius 5 cm. (a) Find the electric field at a point 2 cm away from the centre. (b) A charge of 6 xx 10^(-8)C is placed on the hollow sphere. Find the surface charge density on the outer surface of the hollow sphere.

A Charge of 4 xx 10^(-8) C is distributed uniformaly on the surface of a sphere of radius 1 cm. It is covered by a concentric, hollow conducting sphere of radius 5 cm. (a) Find the electric field at a point 2 cm away from the centre. (b) A charge of 6 xx 10^(-8)C is placed on the hollow sphere. Find the surface charge density on the outer surface of the hollow sphere.

A charge q_0 is distributed uniformly on a ring of radius R. A sphere of equal radius R constructed with its centre on the circumference of the ring. Find the electric flux through the surface of the sphere.

A charge q_0 is distributed uniformly on a ring of radius R. A sphere of equal radius R constructed with its centre on the circumference of the ring. Find the electric flux through the surface of the sphere.

A charge of 15muC is given to hollow metallic sphere of radius 0.3m. Find the potential:- at the surface of sphere

A conducting sphere of radius 2R carrying charge Q is joined to an uncharged conducting sphere of radius R . Find the charge flow through cinnecting wire.