Which of the statements is/are correct regarding rotating magnetic field production in a 3-phase induction machine?
1) The direction of rotation of resultant flux in the air gap depends upon phase sequence.
2) The resultant flux of constant magnitude is produced in the air gap of the motor.
3) Frequency of rotating magnetic field is not the same as that of the supply frequency
1
1, 2 & 3
2
1
3
1 & 2
4
2