Emf induced in a coil rotating in a magnetic field
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Explanation:
Faraday's Law. Any change in the magnetic environment of a coil of wire will cause a voltage (emf) to be "induced" in the coil. The induced emf in a coil is equal to the negative of the rate of change of magnetic flux times the number of turns in the coil. It involves the interaction of charge with magnetic field.
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When rotating coil is placed in static magnetic field, an emf is produced in that coil due to the change in flux.
Explanation:
According to faraday’s law of electromagnetic induction, emf induced in a rotating coil is equal to the negative of time rate of change of flux times number of turns of coil.
ε= -N dϕ/dt
It should be kept in mind that emf induced will be zero at maximum and zero flux. Emf induced will be maximum only when change in flux will be maximum.
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