Explain what is meant by electromagnetic induction? Name any two electrical devices whose working is based on the principle of electromagnetic induction.
b)Explain in brief three different ways to induce current in a coil.
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Electromagnetic or magnetic induction is the production of an electromotive force (example : voltage) across an electrical conductor in a changing magnetic field. Michael Faraday is generally credited with the discovery of induction in 1831, and James Clerk Maxwell mathematically described it as Faraday's law of induction.
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