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Calculate the Useful Power Developed by a Motor Using the Given

Question 10

Multiple Choice

Calculate the useful power developed by a motor using the given data: P = 3000 W, I = 60 A, R = .4 ?. Assume frictional losses are 200 W and windage losses are 400 W.


A) 970 W
B) 960 W
C) 980 W
D) 990 W

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