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Question

Alternating current generator is based on the principle of:

A
Ampere's Circuital Law
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B
Maxwell's Law
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C
Faraday's law of electromagnetic induction
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D
Coulomb's law of electrostatics
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Solution

The correct option is C Faraday's law of electromagnetic induction
An electric generator or dynamo is a device that converts mechanical energy into electrical energy. The simplest practical generator consists of a rectangular coil rotating in a uniform magnetic field. The magnetic field is usually supplied by a permanent horse-shoe magnet and the coil is connected to the circuit via slip rings. The device is based on the principle of Faraday's Law of electromagnetic induction.

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