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Lenz’s law is invalid. State true or false.

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in Physics – Class 12 by (135k points)
Lenz’s law is invalid. State true or false.

(a) True

(b) False

I had been asked this question in a national level competition.

This intriguing question comes from Electromagnetic Induction topic in chapter Electromagnetic Induction of Physics – Class 12

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Right answer is (b) False

For explanation: When a magnet is moved towards or away from a closed coil, the induced current always opposes the motion of the magnet, as predicted by Lenz’s law. Thus Lenz’s law is valid and is a consequence of the law of conservation of energy.

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