The Dynamo's name begins, however, with a bit of history: the foundation of the electric generator. The technical definition for a dynamo is an electric generator that produces a direct current ...

In a dynamo, a split ring commutator changes the coil connections every half turn. As the induced potential difference is about to change direction, the connections are reversed. This means that ...

Cars use a type of a.c. generator, called an alternator, to keep the battery charged and to run the electrical system while the engine is working. A dynamo is another type of generator sometimes ...