A bar magnet of length `10cm` and having the pole strength equal to `10^(-3)` weber is kept in a magnetic field having magnetic induction (B) equal to `4pixx10^(-3)` Tesla. It makes an angle of `30^(@)` with the direction of magnetic induction. The value of the torque acting on the magnet is `(mu_(0)=4pixx10^(-7) weber//ampxxm)`
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