A non conducting disc of radius `R`, charge `q` is rotating about an axis passing through its centre and perpendicular to its plane with an angular velocity `omega` charge `q` is uniformly distributed over its surface. The magnetic moment of the disc is

A nonconducing disc of radius R is rotaing about axis passing through its cente and perpendicual its plance with an agular velocity omega . The magnt moment of this disc is .

A nonconducing disc of radius R is rotaing about axis passing through its cente and perpendicual its plance with an agular velocity omega . The magnt moment of this disc is .

The moment of inertia of a copper disc, rotating about an axis passing through its centre and perpendicular to its plane

The moment of inertia of a copper disc, rotating about an axis passing through its centre and perpendicular to its plane

Calculate the moment of inertia of a disc of radius R and mass M, about an axis passing through its centre and perpendicular to the plane.

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.

A thinuniform circular disc of mass M and radius R is rotating in a horizontal plane about an axis passing through its centre and perpendicular to its plane withan angular velocity omega .Another disc of same dimensions but of mass M/4 is placed gently onthe first disc co-axially, then the angular velocity of the system is

A thin uniform circular disc of mass M and radius R is rotating in a horizontal plane about an axis passing through its centre and perpendicular to its plane with an angular velocity omega . Another disc of same dimensions but of mass (1)/(4) M is placed gently on the first disc co-axially. The angular velocity of the system is