How is lenz law related to the principle of conservation of energy?
How is lenz law related to the principle of conservation of energy?
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1 Answer
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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 interconnected to each other.
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From Lenz law, current in the square loop will be in anticlockwise sense
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 turns is given by
The direction of induced emf is to oppose changing flux.
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