engineering recuitment DRDO Technician A 2022 Mock Test Series (Tier I) Electrician and Wireman Electrical Machines Polyphase Induction Motors
A 3-phase induction motor (3-phase induction motor), is wound for 6 poles and is supplied from 50 Hz supply. If a machine is operated at 4% slip then find the frequency of the induced current in the rotor.
1
3 Hz
2
4 Hz
3
2 Hz
4
1 Hz