B) A 6 pole, 50 Hz, 3 phase induction motor running on full load develops a useful torque of 150 N.m at a rotor frequency of 1.5Hz. Calculate the shaft power output, if the mechanical n be 10 N.m,...

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Extracted text: B) A 6 pole, 50 Hz, 3 phase induction motor running on full load develops a useful torque of 150 N.m at a rotor frequency of 1.5Hz. Calculate the shaft power output, if the mechanical n be 10 N.m, determine the speed of rotor in radians/sec.