A magnet of length 0.1 m and pole streng...

A magnet of length 0.1 m and pole strength 0.1 Am is freely suspended in a horizontal uniform magnetic field of intensity `0.18 xx 10^(-4)T`. Find the torque tending to restore the magnet to its original position of rest when it is deflected by `30^(@)` from that position.

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The correct Answer is:

`9 xx 10^(-8)Nm`

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NN GHOSH-MAGNETIC FIELD AND POTENTIAL-EXERCISES

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