45) The number of stator poles produced in the rotating magnetic field of a 3-phase induction motor having three slots per pole per phase is

46) The power factor of a squirrel cage induction motor is

47) A 6-pole, 50 Hz, 3 phase induction motor is running at 950 R.P.M. and has rotor copper loss of 5 K.W. Its rotor input is _____ KW

48) A 6 pole, 50 Hz, 3 phase induction motor has a full load speed of 950 R.P.M. At half load, its speed would be ....... R.P.M.

49) If rotor input of a SCIM running with a slip of 10% is 100 KW, gross power developed by its rotor is _____ KW.