Mass is non - uniformly distributed on the circumference of a ring of radius a and centre at origin . Let b be the distance of centre of mass of the ring from origin. Then ,

Give the location of the centre of mass of a :- ring.

A charge of 500 muC is distributed uniformly over the circumference of a ring of radius 25 cm. What will be be electric potential at the centre of ring?

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

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

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

A ring has a total mass M but non-uniformly distributed over its circumference. The radius of the ring is R . A point mass m is placed at the centre of the ring. Workdone in taking away this point mass from ecntre to infinity is

Electric charge Q is uniformly distributed around a thin ring of radius a. find the potential a point P on the axis of the ring at a distance x from the centre of the ring .