Question

Derive and expression for the torque acting a magnetic placed in a uniform magnetic. In vector

Answer 1

Answer:

$\huge\bold\star\red{Answer}\star$

────────────────────────

These two forces are equal and opposite, hence constitute a couple. The direction of τ is perpendicular to the plane containing Vec M and Vec B. Hence, moment of the magnet M is equal to the torque necessary tokeep the magnet at right angles to a magnetic field of unit magnetical induction..

────────────────────────