Wednesday, January 22, 2014

Principle of Alternator

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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