Physics · Electromagnetic Induction
The back e.m.f. of a D.C. motor is maximum when:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The motor has just been switched off
- 2The motor has attained its maximum speed✓
- 3The motor has just started moving
- 4The speed of the motor is still increasing
Correct answer
The motor has attained its maximum speed
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