A.C.GENERATOR

Principle :

A.C. generators or alternators (as they are usually called) operate on the same fundamental principles of electromagnetic induction as D.C. generators.

Alternating voltage may be generated by rotating a coil in the magnetic field or by rotating a magnetic field within a stationary coil. The value of the voltage generated depends on-

the number of turns in the coil.

strength of the field.

the speed at which the coil or magnetic field rotates.

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Working of Alternator