Sat February 14, 2009 By:

what is a dynamo?write its principle..

Expert Reply
Sat February 14, 2009

Dynamo is an electric generator. It produces direct current by converting mechanical energy into electricl energy . It consists of a strong electromagnet between the poles of which is rotated an armature , consisting of a number of coils suitably wound. It is based on the principle of electromagnetic induction.

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