Arectangular loop of wire of width 10 cm and length 20 cm has a current of 2.5 a flowing through it. two sides of the loop are oriented parallel to a uniform magnetic field of strength 0.037 t, the other two sides being perpendicular to the magnetic field.
a)what is the magnitude of the magnetic moment of the loop?
b)what torque does the magnetic field exert on the loop?

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