Acoil is wrapped with 300 turns of wire on the perimeter of a circular frame (radius = 8.0 cm). each turn has the same area, equal to that of the frame. a uniform magnetic field is turned on perpendicular to the plane of the coil. this field changes at a constant rate from 20 to 80 mt in a time of 20 ms. what is the magnitude of the induced emf in the coil at the instant the magnetic field has a magnitude of 50 mt?
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Acoil is wrapped with 300 turns of wire on the perimeter of a circular frame (radius = 8.0 cm). each...
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