A) \[\overrightarrow{M}\times \overrightarrow{B}\]
B) \[\overrightarrow{M}-\overrightarrow{B}\]
C) \[\frac{1}{2}\,\overrightarrow{M}\times \overrightarrow{B}\]
D) \[\overrightarrow{M}+\overrightarrow{B}\]
Correct Answer: A
Solution :
[a] Torque acting on a magnet when it is rotated by \[\theta {}^\circ \] from its equilibrium position is MB sin \[\theta \] which is equivalent to \[\overrightarrow{M}\times \overrightarrow{B}.\]You need to login to perform this action.
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