railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical Machines Single Phase Motor and Special Machines Single Phase Motor Types
What would be the backward field slip of a single phase induction motor running at N rpm when it is given that synchronous speed is Ns and slip S with respect to forward field?
1
(1 − S)
2
(2 − S)
3
S
4
−S