Physics · Magnetic Effects of Electric Current
What is the function of the brushes in an electric motor?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To increase the total electrical resistance in the circuit
- 2To transfer electrical energy to the rotating commutator✓
- 3To create a permanent magnetic field
- 4To reduce heat generation in the motor
Correct answer
To transfer electrical energy to the rotating commutator
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