Question

A bar magnet, of magnetic moment M ⃗, is placed in a
magnetic field of induction B ⃗. The torque exerted on it is
(a) M ⃗ . B ⃗ (b) –M ⃗ . B ⃗ (c) M ⃗ × B ⃗ (d) B ⃗ × M ⃗

Answer 1

Answer:

option (b) the correct ans

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