A uniformly charged ring of radius `R` is rotated about its axis with constant linear speed `v` of each of its particle. The ratio of electric field to magnetic field at a point `P` on the axis of the ring distant `x=R` from centre of ring is `( c` is speed of light )

A thin uniformly charged ring of radius a = 10 cm rotates about its axsi with an angluaar velocity omega = 100 rad//s . Find the ratio of volume energy densities of magnetic and electric fields on the axis of the ring at a point removed from its centre by a distance l = a

A ring of radius a contains a charge q distributed. uniformly ober its length. Find the electric field at a point. on the axis of the ring at a distance x from the centre.

A ring of radius a contains a charge q distributed. uniformly ober its length. Find the electric field at a point. on the axis of the ring at a distance x from the centre.

A ring of radius a contains a charge q distributed. uniformly ober its length. Find the electric field at a point. on the axis of the ring at a distance x from the centre.

Potential on the axis of ring of radius 3R and at distance 4R from centre of ring is (charge on the ring is Q )

A ring of mass m and radius R is being rotated about its axis with angular velocity omega . If a increases then tension in ring

A ring of radius R has charge -Q distributed uniformly over it. Calculate the charge that should be placed at the center of the ring such that the electric field becomes zero at apoint on the axis of the ring at distant R from the center of the ring.

A ring of radius R has charge -Q distributed uniformly over it. Calculate the charge that should be placed at the center of the ring such that the electric field becomes zero at apoint on the axis of the ring at distant R from the center of the ring.

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 .