📼Video Summary: Electric motors can seem very mysterious ... electromagnets, armature, commutator, brushes, stator, and rotor. This video only covers DC motors. Maybe I will cover AC motors ...

The technical definition for a dynamo is an electric generator that produces a direct current through a commutator ... devices such as the electric motor and the alternating-current alternator.

A motor — or a generator — requires some normal magnets and some electromagnets. The usual arrangement is to have a brushed commutator that both powers the electromagnets and switches their ...