How is lenz law related to the principle of conservation of energy?

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You will be surprised to know that Lenz law is actually a result of the principle of conservation of energy. If there is no opposition to change in the magnetic flux, no external source of force will be required which will violate the principle of conservation of energy. Both these laws are intercon

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This scenario will also violate the principle of conservation of energy. If there is no current flowing, no force will also be required to oppose it and the whole situation just won't work as per the desire. There will be no control over the enrgy of the system.

The magnitude of magnetic field due to circular coil of N  turns is given by

B C = μ 0 i N 2 R

= 4 π × 1 0 7 × 7 × 1 0 0 2 × 0 . 1

=4.4×103 T

=4.4mT

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The direction of induced emf is to oppose changing flux.

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Physics Electromagnetic Induction 2021

Physics Electromagnetic Induction 2021

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