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Physics

Lenz's Law and Conservation of Energy

लेंज़ का नियम और ऊर्जा संरक्षण

In Class 12 Physics, this topic from Electromagnetic Induction explains Lenz’s law: the induced current flows in a direction that opposes the change in magnetic flux producing it. Students connect this direction rule with Faraday’s law, induced emf, and the conservation of energy. They learn why external work is required to change magnetic flux and how that work is converted into electrical energy, using applications such as electromagnetic braking, generators, and eddy currents.

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