In railway electrification, the voltage and frequency, respectively, of the three-phase AC system are:
1
25 kV and 50 Hz
2
3 to 3.5 kV and \(16 {2 \over 3}\) Hz
3
1500 V and 50 Hz
4
600 V and 50 Hz
5
Question Not Attempted
In railway electrification, the voltage and frequency, respectively, of the three-phase AC system are: