engineering recuitment BSPHCL JE Electrical 2024 Mock Test Electrical Machines Three Phase Induction Motor
The frequency of induced electromotive force (EMF) in rotor of a three-phase 5 kW, 400 V, 25 Hz, 4 pole induction motor is 5 Hz. If the motor is supplied with 400 V, 50 Hz in alternating current source, what will be its speed of rotation?
1
900 rpm
2
1500 rpm
3
1000 rpm
4
1450 rpm