A thin uniformly charged ring of radius `a = 10 cm` rotates about its axis with an angular 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 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 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 0.5 m and mass 10 kg is rotating about its diameter with angular velocity of 20 rad/s. Its KE is :-

A charge of (3.14 xx 10^-6) C is distributed uniformly over a circular ring of radius 20.0 cm. The ring rotates about its axis with an angular velocity of 60.0 rad s^-1 . Find the ratio of the electric field to the magnetic field at a point on the axis at a distance of 5.00 cm from the centre.

A thin uniformring of radius R carrying uniform charge Q and mass M rotates about its axis with angular velocity omega . The ratio of its magnetic moment and angular momentum is:

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 ring of mass m and radius R is being rotated about its axis with constant angular velocity omega in the gravity free space. Find tension in the ring.

A conducting ring of radius r having charge q is rotating with angular velocity omega about its axes. Find the magnetic field at the centre of the ring.

A ring has radius 30cm and a charge of 2nC .The electric potential on the axis of the ring at a distance of 40cm from its centre will be