Key term for AQA GCSE Physics, used in The Motor Effect.
A rotary switch in a d.c. motor that reverses the current direction through the coil every half-turn to maintain continuous rotation.
Split-ring commutator appears in AQA GCSE Physics revision content for Magnetism and electromagnetism, especially The Motor Effect and Electric motors.
Magnetism and electromagnetism
The Motor Effect • Electric motors
Magnetism and electromagnetism
Induction and Transformers • Uses of the generator effect
Magnetism and electromagnetism
Induction and Transformers • Induced potential
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