A 3 phase I.M. running with slip 5%. Its rotor input is 20kW then its power output is ____ if frictional losses are 1kW.

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Q. A 3 phase I.M. running with slip 5%. Its rotor input is 20kW then its power output is ____ if frictional losses are 1kW.

(A) 19.75kw
(B) 1.8kw
(C) 18kw
(D) 21kw

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✅ Correct Answer: (C) 18kw

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