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Question

Which law states that "A current will be produced in a conductor whenever there is a varying magnetic field over the conductor"?


A

Lenz's law

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B

Maxwell's law

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C

Ohm's law

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D

Faraday's law

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Solution

The correct option is D

Faraday's law


Whenever there is a change in the magnetic flux linked with the coil, electricity is induced in the coil. This phenomenon is called electromagnetic induction. The current thus induced is the induced current. The voltage induced is the induced emf. Electric generator works on the basis of this theory.


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