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A long piece of wire with a mass of 0.100 kg and total length of 4.00 m is used to make a suare coil with a side of 0.100 m. The coil is hinged along a horizontal side, carries a 3.10 A current, and is placed in a vertical magnetic field with a magnitude of 0.0100 T.
(a) Determine the angle that the plane of coil makes the vertical when the coil is in equilibrium?
____________ (degrees) With the vertical
(b) Find the torque acting on the coil due to the magnetic force at equilibrium?
____________ N . m
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