Bar magnet in a magnetic field

Electricity and Magnetism Level 2

A bar magnet is in a uniform magnetic field with magnetic intensity \(B,\) forming an angle of \(\theta\) with the direction of magnetic field, as shown above. Which of the following statements is correct?

a) The direction of the magnetic moment of the bar magnet is the \(a\) direction.

b) Torque is acting on the bar magnet.

c) The bar magnet will spin with a constant angular velocity.


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