for given no. of poles and if supply frequency reduces, sychronous speed of rotating magnetic field

Related MCQs

• For sychronous speed of rotating magnetic field 1000rpm, for 50 Hz supply,required no of poles =--------
• For 6 pole 50Hz I.M, sychronous speed of rotating magnetic field is---------
• For 2 pole 50Hz I.M,sychronous speed of rotating magnetic field is---------rpm
• For 3phase I.M,The synchronous speed of rotating magnetic field is 1000 rpm,speed of rotor is 960 rpm ,then slip is
• For 3phase I.M,the synchronous speed of rotating magnetic field is 1000 rpm,speed of rotor is 970 rpm ,then slip is
• For 3phase I.M,the synchronous speed of rotating magnetic field is 1500 rpm,speed of rotor is 1440 rpm ,then slip is
• For 3phase I.M,the synchronous speed of rotating magnetic field is 750 rpm, speed of rotor is 731.25 rpm ,then slip is
• For 3phase I.M.,the synchronous speed of rotating magnetic field is 1000 rpm, slip is 3% ,speed of rotor is----------
• For 3phase I.M,the synchronous speed of rotating magnetic field is 750 rpm, slip is 2.5% ,speed of rotor is----------
• For I.M. running with 731.25rpm with slip of 2.5%, the synchronous speed of rotating magnetic field