A ring of radius R is uniformly charged with a positive charge Q. The maximum electric field on the axis of the ring is `(Q)/(6 sqrtN pi epsio R^2)` , The value of N is

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

A ring of radius R carries a uniformly distributed charge +Q. A point charge -q is placed on the axis of the ring at a distance 2R from the centre of the ring and released from rest. The particle executes a simple harmonic motion along the axis of the ring. State True or False.

A non conducting ring of radius R has uniformly distributed positive chargeq. A small particle of mass m and charge -q is placed on the axis of the ring at point P and released If R gt gt x . The particle will undergo oscillations along the axis of symmerty with an angular frequency that is equal to

A semicircular ring of radius 0.5 m is uniformly charged with a total charge of 1.5 xx 10^(-9) coul. The electric potential at the centre of this ring is :

A point charge q is located at the centre fo a thin ring of radius R with uniformly distributed charge -q , find the magnitude of the electric field strength vectro at the point lying on the axis of the ring at a distance x from its centre, if x gt gt R .

For a uniformly charged ring of radius R, the electric field on its exis has the largest magnitude at a distance h from its centre. Then value of h is :

A hallow metal sphere of radius R is uniformly charged. The electric field due to the sphere at a distance r from the centre:

The maximum electric field intensity on the axis of a uniformly charged ring of charge q and radius R will be

A nonconducting ring of radius R has uniformly distributed positive charge Q. A small part of the ring.of length d, is removed (d lt lt R) . The electric field at the centre of the ring will now be

Assertion : For a non-uniformly charged thin circular ring with net charge zero, the electric field at any point on axis of the ring is zero. Reason : For a non-uniformly charged thin circular ring with net charge zero, the electric potential at each point on axis of the ring is zero.