A metal disc is made tospin at 20 revolutions per second about an axis passing through its centre and normal to its plane.The disc has a radius of 30 cm and spinsin a uniform magnetic field of 0.20 T, which is parallel to the axis of ratation. Calculate: The induced emf in the disc

A metal disc is made tospin at 20 revolutions per second about an axis passing through its centre and normal to its plane.The disc has a radius of 30 cm and spinsin a uniform magnetic field of 0.20 T, which is parallel to the axis of ratation. Calculate :The area swept out per second by the radius of the disc.

A metal disc is made tospin at 20 revolutions per second about an axis passing through its centre and normal to its plane.The disc has a radius of 30 cm and spinsin a uniform magnetic field of 0.20 T, which is parallel to the axis of ratation. Calculate :The flux cut per second by a radius of the disc.

The radius of disc is 2m, the radius of gyration of disc about an axis passing through its diameter is

A cylinder of 500 g and radius 10 cm has moment, of inertia about an axis passing through its centre and parallel to its length as

The radius of disc is 2 m.The radius of gyration of disc about an axis passing through its diameter is

State an expression for moment inertia of a thin uniform disc about an axis passing through its centre and perpendicular to its plane .

M.I.of a uniform disc about an axis passing through its centre and perpendicular to its plane is 10 kg m^2 .Find its M.I. about the diameter.

The moment of inertia of a disc about an axis passing through its centre and perpendicular to its plane is 0.4 kg m^2 . Calculate its moment of inertia about tangent parallel to the plane

The moment of inertia of a disc about an axis passing through its centre and perpendicular to its plane is 0.4 kg m^2 . Calculate its moment of inertia about its diameter