What is a commutator?

What is a commutator? Here are some definitions.

Noun An electrical switch, in a generator or motor, that periodically reverses the direction of an electric current. (group theory) A binary map in a given group G, given by [g, h] = ghg−1h−1, where g and h are elements of G, which yields the group's identity if and only if the group operation commutes for g and h. (ring theory) A binary map in a given ring R, given by [a, b] = ab − ba, where a and b are elements of R, which yields the ring's zero element if and only if the multiplication operation commutes for a and b. Find more words! 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One part supports the slider means H1-H5 and the other part functions as an equipoise to facilitate or enhance the rotating movement of the commutator arm. One of the places you need them is in modern small motors which don't have a commutator. Note how the commutator reverses the current each time the coil turns halfway. He went on to build an electric motor in 1832 and invented the commutator, an integral part of most modern electric motors. Take the armature off the motor and connect the commutator wires to a dry cell battery. See Also Sentences with the word commutator Words that rhyme with commutator What is the plural of commutator? What is the adjective for commutator? What is the noun for commutator? Nearby Definitions commutativity commutativities commutative rings commutative ring commutativeness commutatively commutator length commutator lengths commutators commutator subgroup commutator subgroups commute 10-letter Words Starting With c co com comm commu commut commuta commutat commutato