A charge q is spread uniformly over an isolated ring of radius 'R'. The ring is rotated about its natural axis and has magnetic dipole moment of the ring as M. Angular velocity of rotation is

A charge q is spread uniformly over an insulated loop of radius r. If it is rotated with an angular velocity omega with respect to normal axis then the magnetic moment of the loop is

A charge q is spread uniformly over an insulated loop of radius r. If it is rotated with an angular velocity omega with respect to normal axis then the magnetic moment of the loop is :

A charge Q is spread uniformly over an insulated ring of radius R .What is the magnetic moment of the ring if it is rotated with an angluar velocity omega about its axis?

Charge q is uniformly spread on a thin ring of radius R. The ring rotates about its axis with a uniform frequency f Hz. The magnitude of magnetic induction at the center of the ring is:

A charge q is unifomly distrybuted over a nonconducting ring of radius R. The ring is rotated about an axis passing through its centre and perpendicular to the plane of the ring with frequency f. The ratio of electric potential to the magnetic field at the centre of the ring depends on.

Charges 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 mass 10 kg and radius 0.2 m is rotating about its geometrical axis at 20 rev/sec. Its moment of inertia is

A hollow sphere has charge 'q' which is uniformly distributed over its surface and rotating about its axis .Find the magnetic moment of the sphere

Charge Q is uniformly distributed over a nonconducting ring of radius R and mass m. It is made to rotate about an axis passing through its centre and perpendicular to its plone with an angular velocity of rotation omega . Find its magnetic dipole moment and its ratio with angular momentum.