A) \[\vec{M}\,\vec{B}\]
B) \[-\vec{M}\,\vec{B}\]
C) \[\vec{M}\times \,\vec{B}\]
D) \[-\vec{M}\times \,\vec{B}\]
Correct Answer: C
Solution :
[c] When a bar magnet is placed in an external magnetic field \[\vec{B},\] a magnetic torque \[\vec{\tau }\] acts on it, which is given byYou need to login to perform this action.
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