Question

obtain the expression for torque acting on a magnetic dipole placed in an external uniform magnetic field? ​

Answer 1

Answer:

The torque acting on a magnetic dipole ( magnetic needle ) is given by

→

τ

=

→

m

×

→

B

.

Note : |

→

τ

|=m Bsinθwhereθ is the angle between

→

m

and

→

B

and m = magnetic moment.

Explanation:

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