If M is magnetic moment and B is the magnetic field, then the torque is given by

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If $M$ is magnetic moment and $B$ is the magnetic field, then the torque is given by

PhysicsMagnetic Effects of CurrentBITSATBITSAT 2011

Options:

A $\overrightarrow{\mathrm{M}} \cdot \overrightarrow{\mathrm{B}}$
B $\frac{|\overrightarrow{\mathrm{M}}|}{|\overrightarrow{\mathrm{B}}|}$
C $\overrightarrow{\mathrm{M}} \times \overrightarrow{\mathrm{B}}$
D $|\overrightarrow{\mathrm{M}} \| \overrightarrow{\mathrm{B}}|$

Solution:

2956 Upvotes Verified Answer

The correct answer is: $\overrightarrow{\mathrm{M}} \times \overrightarrow{\mathrm{B}}$

Torque, $\tau=\overrightarrow{\mathrm{M}} \times \overrightarrow{\mathrm{B}}$

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