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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The Answer of 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

Calculate the Useful Power Developed by a Motor Using the Given