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Asked by  | 24th Sep, 2009, 05:46: PM

Expert Answer:

Reason is as follows,

If the magnetic field associated with the current in a conductor were in the same direction as the change in magnetic field that created it, these two magnetic fields would combine to give a net magnetic field which would in turn induce a current with twice the magnitude. This process would continue creating infinite current from just moving a magnet: this would be a violation of the law of conservation of energy.

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Answered by  | 30th Sep, 2009, 12:02: AM

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