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 0.1 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 couple acting on a magnet of length 10 cm placed in a uniform magnetic field of intensity 40 NA^(-1)m^(-1) such that the axis of the magnet makes 45^(@) with the field direction is sqrt2/10 Nm . The pole strength of the magnet (in Wb) is

A bar magnet of pole strength 2 A-m is kept in a magnetic field of induction 4xx10^(-5) Wbm^(-2) such that the axis of the magnet makes an angle 30^(@) with the direction of the field. The couple acting on the magnet is found to be 80xx10^(-7) N-m. Then, the distance between the poles 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 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 pole strnegth 2A-m is kept in a magnetic field of induction 4xx10^(-5)wbm^(-2) such that the axis of the magnet makes an angle 30^(@) with the directon of the field. The couple acting on the magnet is found 80xx10^(-7)N-m . Then the distance between the poles of the magnet is

The length of a bar magnet is 10 cm and its pole strength is 10^(-3) Weber. It is placed in a magnetic field of induction 4 pi × 10^(-3) Tesla in a direction making an angle 30^(@) with the field direction. The value of torque acting on the magnet will be –

The length of a bar magnet is 10 cm and its pole strength is 10^(-3) Weber. It is placed in a magnetic field of induction 4 pi × 10^(-3) Tesla in a direction making an angle 30^(@) with the field direction. The value of torque acting on the magnet will be –

A circular disc of radius 0.2 m is placed in a uniform magnetic field of induction (1)/(pi)Wb//m^(2) in such a way that its axis makes an angle 60^(@) with the field. The magnetic flux linked with the disc is