A rectangular coil of wire has dimensions of 3 cm by 6 cm and is wound with 60 turns of wire. It is placed between the pole faces of a magnet that produces an approximately uniform magnetic field of 0.4 T. Suppose that the plane of the coil is turned from being perpendicular to the field to being parallel to the field in 0.25 seconds, what is the average voltage generated in the coil?

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