A three phase, 50 Hz induction motor has a full load speed of 1440 rpm. Speed of the stator filed with respect to stator structure is?
(a) 157 rad/s
(b) 150 rad/s
(c) 6.28 rad/s
(d) 145 rad/s
The question was posed to me in semester exam.
My query is from Rotor Frequency topic in portion Induction Machines of Electrical Machines