Physics for IGCSE & O level - Magnets And Currents (Section 2 - No. 28)
What is the purpose of the split ring commutator in a DC motor?
To generate AC power.
To reverse the current direction in the coil.
To step up the voltage.
To provide a magnetic field.
Explanation
The commutator reverses the current direction in the coil to create continuous rotational force.
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