engineering recuitment PGCIL Diploma Trainee Mock Test 2024 Electrical Machines Three Phase Induction Motor
A 4 - pole, 3 - phase induction motor is running at 4% slip at full load. If the speed of the motor is 750 rpm, the supply frequency is
1
\(16{{2} \over3}\) Hz
2
25 Hz
3
50 Hz
4
60 Hz