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A coil formed by wrapping 40 turns of wire in the shape of a square is positioned in a magnetic field so that the normal to the plane of the coil makes an angle of 32.0° with the direction of the field. When the magnetic field is increased uniformly from 200 µT to 600 µT in 0.400 s, an emf of magnitude 80.0 mV is induced in the coil. What is the total length of the wire?

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