A small bar magnet is placed in a uniform horizontal magnetic field and allowed to…
PHYSICS · Single correct · CBSE · Physics · Magnetism and Matter · Magnetism and Matter
Problem
A small bar magnet is placed in a uniform horizontal magnetic field and allowed to rotate freely about its center. Which orientation of the magnet corresponds to a stable equilibrium configuration?
(a) Its magnetic moment is perpendicular to the magnetic field.
(b) Its magnetic moment makes a 30∘ angle with the magnetic field.
(c) Its magnetic moment is parallel to the magnetic field.
(d) Its magnetic moment is anti-parallel to the magnetic field.