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PHYSICS CH5 Magnetism and Electromagnetism — Science STD 9 — Question

Tamilnadu BoardEnglish MediumSTD 9SciencePHYSICS CH5 Magnetism and Electromagnetism2 Marks
Question
Define electromagnetic induction.
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Answer

Whenever the magnetic lines of force passing through a closed-circuit change, a voltage and hence a current is induced in it. This phenomenon is called electromagnetic r induction. It was discovered by Michael Faraday in 1831.

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