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A short bar magnet placed with its axis ...

A short bar magnet placed with its axis at `30^(@)` with an external field of 800 G experiences a torque of 0.016 Nm.
What is the magnetic moment of the magnet ?

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A short bar magnet placed with its axis at 30^(@) with an external field of 800 G experiences a torque of 0.016 Nm. (a)What is the magnetic moment of the magnet ?

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A short bar magnet placed with its axis at 30^@ with an extemal field of 800 G experiences a tunque of 0.016 Nm, (a) What is the magnetic moment of the magnet? (b) What is the work done in moving it from its most stable to most unstable position? (c) The bar magnet is replaced by a solenoid of cros B-sectional area 2 xx 10^(-4) m^(2) and 1000 tums, but of the same magnetic moment. Determine the current flowing through the solenoid.