engineering recuitment UPPCL Technician Electrician 2022 Mock Test Electrician and Wireman Electrical Machines Polyphase Induction Motors
A 3-phase, 4-pole, 50 Hz induction motor runs at 1460 rpm. Determine speed of rotating field and frequency of rotor current.
1
1460 rpm and 1.33 Hz
2
1460 rpm and 48.67 Hz
3
1500 rpm and 48.67 Hz
4
1500 rpm and 1.33 Hz