[" radius "R" is rotating about an axis passing through its "],[" to its plane with an angular velocity "omega." Charge "q" is "]

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 .

A disc of mass 2 kg and radius 0.2 m is rotating about an axis passing through its centre and perpendicular to its plane with an angular velocity 50 rad/s . Another disc of mass 4 kg and radius 0.1m rotates about an axis passing through its centre and perpendicular to its plane with angular velocity 100 rad/s. If the two disc are coaxially coupled, then the angular velocity of coupled system would be

A disc of mass 2 kg and radius 0.2 m is rotating about an axis passing through its centre and perpendicular to its plane with an angular velocity 50 rad/s. Another disc of mass 4 kg and radius 0.1m rotates about an axis passing through its centre and perpendicular to its plane with angular velocity 100 rad/s. If the two discs are coaxially coupled, then the angular velocity of the coupled system would be

An annular circular brass disk of inner radius 'r' and outer radius 'R' is rotating about an axis passing through its centre and perpendicular to its plane with a uniform angular velocity 'omega' in a uniform magnetic filed of induction 'B' normal to the plane of the disk. The induced emf between the inner and outer edge of the annular disk is

A solid sphere of radius r and mass m rotates about an axis passing through its centre with angular velocity omega . Its K.E . Is

A solid sphere of radius r and mass m rotates about an axis passing through its centre with angular velocity omega . Its K.E . Is

A ring of mass m and radius r rotates about an axis passing through its centre and perpendicular to its plane with angular velocity omega . Its kinetic energy is