Physics · Electromagnetism
Why is back electromotive force (back emf) important in an operating electric motor?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It reduces the torque of the motor
- 2It generates useful mechanical work
- 3It regulates and reduces the net current in the motor✓
- 4It increases the speed of the motor
Correct answer
It regulates and reduces the net current in the motor
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