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Identify the principle behind the working of an a.c. generator.

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in Physics – Class 12 by (135k points)
Identify the principle behind the working of an a.c. generator.

(a) Eddy currents

(b) Faraday’s law

(c) Lenz’s law

(d) Electromagnetic induction

This question was posed to me by my college professor while I was bunking the class.

My query is from AC Generator in section Alternating Current of Physics – Class 12

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Right choice is (d) Electromagnetic induction

The explanation: The working of an a.c. generator is based on the principle of electromagnetic induction. When a coil is rotated about an axis perpendicular to the direction of the uniform magnetic field, an induced emf is produced across it and hence current is set up in it.

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