A hollow sphere has charge q which is distributed 0ver its surface and rotating about its diameter with angular velocity w , the magnetic moment of the sphere 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

A thin disc of radius R has charge Q distributed uniformly on its surface. The disc is rotated about one of its diametric axis with angular velocity omega . The magnetic moment of the arrangement is

A disc of mass m has a charge Q distributed on its surface. It is rotating about an XX' with a angular velocity omega . The force acting on the disc is

A thin annular disc of outer radius R and R/2 inner radius has charge Q uniformly distributed over its surface. The disc rotates about its axis with a constant angular velocity omega . Choose the correct option(s):

A charge q is given to a solid conducting sphere of mass m and is rotating about it's diameter with angular velocity omega .Then ratio of it's magnetic moment to its angular momentum is ..

A uniformly charged solid sphere a mass M, radius R having charge Q is rotated about its diameter with frequency f_0 . The magnetic moment of the sphere is

A ring of dielectric material, with a total charge +q distributed uniformly over its surface, rotates with angular speed omega. Find the magnetic moment of the ring .Compare its magnetic moment with its angular momentum , assuming that its mass is m.

A hollow sphere and solid sphere of the same radius rotate about their diameters with the same angular velocity and angular momentum. Then the ratio of their masses is

Consider a non conducting plate of radius a and mass m which has a charge q distributed uniformly over it, The plate is rotated about its own axis with a angular speed omega . Show that the magnetic moment M and the angular momentum L of the plate are related as (M)/(L)=(q)/(2m) .