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    Induction of a current in a wire

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    A magnetic field is perpendicular to the plane of a single-turn circular coil. The magnitude of the field is changing, so that an emf of 0.84 V and a current of 3.7 A are induced in the coil. The wire is the re-formed into a single-turn square coil, which is used in the same magnetic field (again perpendicular to the plane of the coil and with a magnitude changing at the same rate). What emf and current are induced in the square coil?

    Two answers:
    EMF in Volts
    Current in Amperes

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    Solution Summary

    The two pages solution offers complete derivation and explanations. on how to apply Faraday's law to loops in a varying magnetic field.

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