Question
A current loop in a magnetic field
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experiences a torque whether the field is uniform or non-uniform in all orientations
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can be in equilibrium in one orientations
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can be an equilibrium in two orientations, both the equilibrium states are unstable
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can be in equilibrium in two orientations, one stable while the other is unstable
Solution
D.
can be in equilibrium in two orientations, one stable while the other is unstable
For parallel M is stable and for antiparallel is unstable.
