Answers

2015-08-18T17:37:49+05:30
A changing magnetic field through a coil of wire therefore must induce an emf in the cpoil which in turn causes the current to flow.thelaw describing induced emf is named after the british scientist micheal farday
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2015-08-18T18:06:56+05:30
When a conductor is brought in a changing magentic field, the free electrons of the conductor experiences a force called Lorentz Force. This force makes the elctrons to move in a particular direction within the conductor. And we know flow of electron (or change) is current. This current developed in the conductor because of a changing magnetic field is called induced current. 

Hope this helps:)
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