engineering recuitment CSPTCL JE Electrical Mock Test 2023 Electrical Machines Single Phase Motor and Special Machines Single Phase Motor Types
In a single-phase, single-winding induction motor, let Ns be the synchronous speed and N be the rotor speed. What will be the rotor slip with respect to the backward rotating field?
1
\(\dfrac{N_s+N}{N}\)
2
\(\dfrac{N_s-N}{N_s}\)
3
\(\dfrac{N_s+N}{N_s}\)
4
\(\dfrac{N_s-N}{N}\)