What is dynamo rule?

1.	What is dynamo rule?
Answer» I am asking dynamo rule... Not dynamo 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. Generators that produces direct current with the use of a commutator are called\xa0Dynamos.

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