A bar magnet of moment `bar(M)` is in a magnetic field of induction `bar(B)`. Then the couple is

A bar magnet of magnetic moment barM is placed in a magnetic field of induction barB . The torque exerted on it is

A bar magnet of moment M is placed in a magnetic field of induction B. The torque exerted on it is

A bar magnet of magnetic moment vec(M) is placed in a magnetic field of induction vec(B) . The torque exerted on it is

A bar magnet of magnetic moment vec(M) is placed in a magnetic field of induction vec(B) . The torque exerted on it is

A bar magnet of moment M is placed in a magnetic field of indiction B. The torque exerted on it is

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

A bar magnet of magnetic moment vecM is placed in a magnetic field of induction vecB. The torque exerted on it is

A bar magnet of magnetic moment vecM is placed in a magnetic field of induction vecB . The torque exerted on it is