Question

A current loop in a magnetic field :

• A. Can be in equilibrium in two orientations, one stable while the other is unstable.
• B. Experiences a torque whether the field is uniform or non uniform in all orientations
• C. Can be in equilibrium in one orientation
• D. Can be in equilibrium in two orientations, both the euilibrium states are unstable

Answer 1

Answer: (A)

$\theta = 0^ \circ$ stable $\,\,$ equilibrium
$\theta = 180^\circ \,\,$ unstable $\,\, $equilibrium