electromagnetic induction क्या है? आसान हिंदी में समझाइए
Physics में electromagnetic induction का अर्थ है: the production of a voltage when the magnetic flux through a circuit changes. यही बात हिंदी में, लाइव विज़ुअल के साथ समझने पर टॉपिक बहुत आसान लगने लगता है।
How to approach it step by step
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Worked example
तरीका यह है: find the flux, differentiate it with respect to time, then apply Faraday's law with Lenz's sign. उदाहरण — Moving a magnet into a coil induces a current that opposes the motion.
The mistake most learners make
ध्यान रखें: Ignoring the minus sign in Faraday's law and getting the induced current direction backwards.
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