A magnet of length `0.1 m` and pole strength `10^(-4)` A.m. is kept in a magnetic field of `30 Wb//m^(2)` at an angle `30^(@)`. The couple acting on it is `…xx10^(-4)Nm`.

The magnetic moment of a length 10 cm and pole strength 4.0 Am will be

The couple acting on a magnet of length 10cm and pole strength 15A-m, kept in a field of B=2xx10^(-5) , at an angle of 30^(@) is

A bar magnet of length 0.2 m and pole strength 5 Am is kept in a uniform magnetic induction field of strength 15 wb//m^(-2) making an angle of 30^(@) with the field. Find the couple acting on it.

The couple acting on a magnet of length 10cm and pole strength 15A-m, kept in a field of B=2xx10^(-5) , at an anlge of 30^(@) is

A bar magnet of length 10cm and pole strength 2 Am makes an angle 60^(0) with a uniform magnetic field of induction 50T . The couple acting on it is

A bar magnet of length 10cm and pole strength 2 Am makes an angle 60^(0) with a uniform magnetic field of induction 50T . The couple acting on it is