A Charge Q is distributed uniformly on a ring of radius r. A sphere of equal r is constructed with its centre at the periphery of the ring (figure 30.12) Find the flux of the electric field through the surface of the sphere.

[" A charge "Q" is distributed "],[" uniformly on a ring of radius "],[" r.A sphere of equal radius "r],[" is constructed with its centre "],[" at the periphery of the ring."],[" The flux of the electric field "],[" through the surface of the "],[" sphere is "(Q)/(n varepsilon_(0))" .The value of "n],[" is : "]

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 is distributed uniformly on a ring of radius R as shown in the following diagrams. Find the electric potential at the centre O of the ring

A charge Q is distributed uniformly on a ring of radius R as shown in the following diagrams. Find the electric potential at the center O of the ring. (a)

Charges q is uniformly distributed over a thin half ring of radius R . The electric field at the centre of the ring is

A charge q is placed st the centre of a spher. Taking outward normal as positive, find the flux of the electric field through the surface of the sphere due to the enclosed charge.

A charge 'Q' is placed at the centre of a hemispherical surface of radius 'R'. The flux of electric field due to charge 'Q' through the surface of hemisphere is

A charge q is placed at the centre of a cylinder of radius R and length 2R. Then electric flux through the curved surface of the cylinder is

A charge Q is uniformly distributed only on the fourths portion of a ring of radius R . The elctric potential at centre of ring is

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.