engineering recuitment UPPCL Technician Electrician 2022 Mock Test Electrician and Wireman Electrical Machines Polyphase Induction Motors
A three-phase, 50 Hz induction motor has 8 poles and operates at 20 percent slip. What is the frequency of rotor current ?
1
20 Hz
2
10 Hz
3
50 Hz
4
100 Hz