railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrician and Wireman Electrical Machines Polyphase Induction Motors
What is the slip when the rotor speed 720 rpm of A 3-phase induction motor is wound for 8 poles and is supplied from a 50 Hz source?
1
4%
2
1%
3
2%
4
3%