If a magnet of length `10cm` and pole strength `40 A-m` is placed at an angle of `45^(@)` in an uniform induction field of intensity `2xx10^(-4)T`, the couple acting on it is

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

A bar magnet of length 10 cm and pole strength 2 Am is making an angle 60^(@) with a uniform field of induction 50T. Find the couple acting on it.

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

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.

Calculate the torque acting on a magnet of length 20 cm and of pole strength 2 xx 10^(-5) Am , placed in earth's magnetic field of flux density 2 xx 10^(-5) T , when (i) magnet is parallel to the field (ii) magnet is perpendicular to the field .

A magnet of length 10 cm and pole strength 4xx10^(-4)Am is placed in a manetic field of induction 2xx10^(-5)weber m^(-2) , such that the axis of the magnet makes an angel 30^(0) with the lines of induction. The moment of the couple acting on the magnet is

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 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 .

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 .