A 25kW, 3 phase I.M. is running with 6% slip. Its rotor resistance pe – McqOptions

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1.	A 25kW, 3 phase I.M. is running with 6% slip. Its rotor resistance per phase is____ if frictional losses are 850W and rotor current per phase is 65A.
A.	0.39
B.	0.165
C.	0.13
D.	0.215
Answer» D. 0.215

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