Out of an A.C. generator and a D.C. generator
(a) which one uses a commutator (split rings)?
(b) which one uses slip rings?
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(a) Split rings known as the commutator is used in an alternating current generator.
(b) Slip rings is used by direct current generator.
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Explanation:
(a) DC generator uses a commutator i.e., split rings. Split rings acts as rotating switches which helps in producing full wave rectification as it is very necessary to reverse the direction of the natural alternating voltage in every half cycle to attain a DC voltage.
(b) An AC generator uses slip rings which act as a mean to connect the rotating armature of the generator to the external circuit that helps the armature to produce a natural alternating voltage.
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