Electrical Engineering · DC Machines
In a DC motor, the supply voltage (V) is equal to:
- 1Armature drop minus back e.m.f.
- 2Armature drop divided by back e.m.f.
- 3Back e.m.f. plus armature drop✓
- 4Back e.m.f. minus armature drop
Correct answer
Back e.m.f. plus armature drop
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