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DC Generator

If the current produced by the generator is direct current, then the generator is called dc generator. A dc generator consists of (1) armature (coil), (2) magnet, (3) commutator, and (4) brushes.
Fig. 25
In dc generator, commutator is used in place of slip rings. The commutator rotates along with the coil so that in every cycle when direction of e reverses, the commutator also reverses or makes contact with the other brush so that in the external load the current remains in the same direction giving dc.

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