Mathematics · DC Machines
A 250 V, 4-pole wave-wound DC series motor has 600 conductors on its armature. It has a combined armature and field resistance of 0.75 Ω. If the motor draws a current of 40 A, calculate the back emf.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1220 V
- 2240 V
- 3250 V
- 4230 V✓
Correct answer
230 V
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