A 400 V dc shunt motor takes 5 A at no load. Ra = 0.5 Ω, Rf= 200 Ω.
What is the ratio of speed from full load to no-load when the dc shunt motor takes 50 A on full load?
A. 0.94
B. 0.8
C. 0.6
D. 0.4
Show Answer
Answer: A
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