A 200 V dc shunt motor delivers an output of 17 kW with an input of 20 kW.
The field winding resistance is 50 Ω and armature resistance is 0.04 Ω.
Maximum efficiency will be obtained when the total armature copper losses are equal to
A. 2,632 W
B. 3,000 W
C. 3,680 W
D. 5,232 W
Show Answer
Answer: A
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