A 25kW, 3 phase I.M. is running with 6% slip. Its rotor copper losses are ____ if frictional losses are 850W.

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Q. A 25kW, 3 phase I.M. is running with 6% slip. Its rotor copper losses are ____ if frictional losses are 850W.

(A) 1700
(B) 1650
(C) 1550
(D) 1400

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✅ Correct Answer: (B) 1650

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