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Magnetic Flux and Faraday's Law

The maximum v...

Question

The maximum value of induced emf in a coil rotating in magnetic field does not depend on

the resistance of coil

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the number of turns in the coil

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the area of the coil

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rotational frequency of the coil

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Solution

The correct option is D the resistance of coil
$e m f$ induced $= -$ rate of change of flux
flux is number of turns times the area times the magnetic flux density
rate is proportional to the rotational frequency
$e m f$ does not depend on the resistance of the circuit

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