Physics · Electrical Machines
In a DC motor, what is the condition for establishing maximum mechanical power output, where V is the supply voltage and Eb is the back e.m.f.?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1V = Eb / 2
- 2V = √2 Eb
- 3Eb = V / 2✓
- 4Eb = √2 V
Correct answer
Eb = V / 2
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