Physics for IGCSE & O level - Magnets And Currents (Section 2 - No. 11)
What is the key difference between slip rings and a commutator?
Slip rings are for AC, and commutators are for DC.
Slip rings are found in motors, and commutators are in generators.
They perform the same function.
Slip rings are used in step-up transformers, while commutators are in step-down transformers.
Explanation
Slip rings are used in AC generators and motors to provide a continuous flow of current in one direction. Commutators reverse the current direction every half cycle, which is essential for DC operation in both motors and generators.
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