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

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 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 bar magnet of length 10 cm experiences a torque of 0.141 N-m in a uniform magnetic field of induction 0.4 wb//m^(2) , when it is suspended making an angle 45^(@) with the field, the pole strength of the magnet 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.

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 bar magnet of length 10cm and having the pole strength equal to 10^(-3) weber is kept in a magnetic field having magnetic induction (B) equal to 4pixx10^(-3) Tesla. It makes an angle of 30^(@) with the direction of mwgnetic induction. The value of the torque acting on the magnet is (mu_(0)=4pixx10^(-7) weber//ampxxm)

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

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