railway UPMRC SCTO 2024 Mock Test Electrical Machines Single Phase Motor and Special Machines Single Phase Motor Types
A 6 pole, 50 Hz, 1-phase Induction Motor runs at a speed of 900 rpm. The frequency of currents in the cage rotor will be -
1
5 Hz, 50 Hz
2
5 Hz, 55 Hz
3
5 Hz, 95 Hz
4
55 Hz, 95 Hz