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A square coil of 500 turns and an area of 400 cm^2 is mounted on a...

A square coil of 500 turns and an area of 400 cm^2 is mounted on a rotating frame, which turns at a rate of 30 rad/s in the presence of a 2T uniform magnetic field that is perpendicular to the axis of rotation. What is the instantaneous emf in the coil at the moment that the normal to its plane is perpendicular to the field?

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