A "bar" magnet of moment `4Am^(2)` is placed in a nonuniform magnetic field. If the field strength at poles are `0.2 T` and `0.22 T` then the maximum couple acting on it is

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

A bar magnet of magnetic moment M is placed in a magnetic field of inductionB.then maximum Couple acting on it is

When a bar magnet of magnetic moment barM is placed in a magnetic field of induction field strength barB , each pole experiences a force of barF then the distance between the south and north pole of the magnet measured inside it is

A bar magnet of magnetic moment 5Am^(2) is suspended in a uniform magnetic field of strength "2T" making an angle 60^(0) with the direction of the field.The potential energy of the magnet in that position is (A) 5J (B) -5J (C) 10J (D) -10J

A bar magnet of length 21 cm and pole strength m is placed in a uniform magnetic field , B inclined at angle 'theta' with the field . a. What is the force acting on each pole ? b. Why the magnet gets a rotating effect ?

A magnet of magnetic moment 0.1 Am^(2) is placed in a uniform magnetic field 0.36 xx 10^(-4) T. The force acting on its each pole is 1.44 xx 10^(-4) N. The distance between two poles would be ...... cm.

A bar magnet of length 0.1 m and with a magnetic moment of 5Am^(2) is placed in a uniform a magnetic field of intensity 0.4T, with its axis making an angle of 60^(@) with the field. What is the torque on the magnet ?

The potential enargy of bar magnet of magnetic moment 8 Am ^(2) placed in a uniform magnetic field of 2 T at an angle of 120^(@) is equal to

The potential enargy of bar magnet of magnetic moment 8 Am ^(2) placed in a uniform magnetic field of 2 T at an angle of 120^(@) is equal to