A coil is wrapped with 500 turns of wire on the perimeter of a circular frame (radius = 8.6 cm). Each turn has the same area, equal to that of the frame. A uniform magnetic field is applied perpendicular to the plane of the coil. This field changes at a constant rate from -8.0 to -7.5 mT in a time of 7.7 ms. What is the magnitude of the induced emf in the coil at the instant when the magnetic field has a magnitude of -7.75 mT?
A coil is wrapped with 500 turns of wire on the perimeter of a circular frame (radius = 8.6 cm). Each turn has the same area, equal to that of the frame. A uniform magnetic field is applied perpendicular to the plane of the coil. This field changes at a constant rate from -8.0 to -7.5 mT in a time of 7.7 ms. What is the magnitude of the induced emf in the coil at the instant when the magnetic field has a magnitude of -7.75 mT?
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Transcribed Image Text:A coil is wrapped with 500 turns of wire on the perimeter of a circular frame (radius = 8.6 cm). Each turn has
the same area, equal to that of the frame. A uniform magnetic field is applied perpendicular to the plane of the
coil. This field changes at a constant rate from -8.0 to -7.5 mT in a time of 7.7 ms. What is the magnitude
of the induced emf in the coil at the instant when the magnetic field has a magnitude of −7.75 mT?
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