If the maximum couple acting on a magnet in a field of induction `0.2` tesla is `10 Nm`, what is its magnetic moment?

Each pole of magnet of length 20 cm in a magnetic field of induction 0.2 T experiences a force 20 N. The magnetic moment of magnet is

Each pole of magnet of length 20 cm in a magnetic field of induction 0.2 T experiences a force 20 N. The magnetic moment of magnet is

A bar magnet has moment of inertia 49x10^(2)kgm^(2) vibrates in a magnetic field of induction 0.5x10^(-4) tesla. The time period of vibration is 8.8sec . The magnetic moment of the bar magnet is

The moment of couple acting on an electric field is maximum when

A bar magnet of moment of inertia 1xx10^(-2)kgm^(2) vibrates in a magnetic field of induction 0.36xx10^(-4) tesla. The time period of vibration is 10s . Then the magnetic moment of the bar magnet is (Am^(2))

A bar magnet of magnetic moment 0.4 Am^(2) is placed in a uniform magnetic field of induction 5 xx10^(-2) tesla. What is the torque acting on the magnet if the angle between the magnetic induction and the magnetic moment is 30^(@) .

A circular coil of 1 turn and area 0.01m^(2) carries a current of 10A . It is placed in a uniform magnetic field of induction 0.1 tesla such that the plane of the circle is perpendicular to the direction of the field, the torque acting on the coil is