engineering recuitment HPCL Junior Executive 2025 Mock Test Electrician and Wireman Electrical Machines Polyphase Induction Motors
A 4-pole, 3-phase induction motor operates from a supply having a frequency of 50Hz. In this situation, at what speed the magnetic field of the stator would be rotating?
1
1500 RPM
2
1200 RPM
3
1000 RPM
4
1400 RPM