For 3phase I.M,the synchronous speed of rotating magnetic field is 750 – McqOptions

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1.	For 3phase I.M,the synchronous speed of rotating magnetic field is 750 rpm, slip is 2.5% ,speed of rotor is----------
A.	500rpm
B.	731.25rpm
C.	1150rpm
D.	300
Answer» C. 1150rpm

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