Principle of AC motor? Wrong genereator:-
It worls on principle of eletro magnetic induction.When axle moves by external means Like by wind.steam,etc. There is change in magenetic flux which we also call magnetic field current is induced at end and we obtain elecriciyt.
Sorry. I am student of ICSE board and as per my knowledge i have seen DC motor not AC motor. If it's in this world sorry i lack knowledge about the same