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Maharashtra - X - Physics

explain the difference between a.c and d.c generator

Asked by Ganpathy 16th September 2015, 6:13 PM
Answered by Expert


Hi Harshita,

A.C generator: It produces an alternating current which reverses its direction continuously. 

D.C. generator: To get a direct current, a split-ring type commutator must be used. The generator is thus called a D.C generator.

The only difference between a D.C generator and an A.C generator is  that the two ends of the generator coil are linked to the outer circuit. In a D.C generator, we connect the two ends of the coil to a commutator consisting of two half rings of copper. Whereas in an A.C generator, we connect the two ends of the coil to two full rings of copper called slip rings. There is no commutator in an A.C. generator.

Answered by Expert 16th September 2015, 6:47 PM

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