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sir please show the derivation for toque acting on bar magnet in non unicorm magnetic filed.

sir please show the derivation for toque acting on bar magnet in non unicorm magnetic filed.

Grade:12th pass

1 Answers

Apoorva Arora IIT Roorkee
askIITians Faculty 181 Points
7 years ago
The torque acting on a bar magnet in a non-uniform magnetic field is the same as for that of a uniform magnetic field. This can be explained by taking an example of a current carrying loop.
the torque is given by

ab is the area of the loop;

also which is the magnetic moment which can be easily calculated for a bar magnet.
hence,


Thanks and Regards
Apoorva Arora
IIT Roorkee
askIITians Faculty

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