SSC SSC JE Electrical 2025 Mock Test Series (Paper 1 & Paper 2) Electrical Machines Three Phase Induction Motor
Which of the statements is/are correct regarding rotating magnetic field production in a 3-phase induction machine?
(1) Direction of rotation of resultant flux in the air gap depends upon phase sequence.
(2) Resultant flux of constant magnitude is produced in the air gap of motor.
(3) Frequency of rotating magnetic field is not same as that of the supply frequency.
1
1, 2 & 3
2
1
3
1 & 2
4
2