Q. Long distance railways use which of the following ? (Solved)
1. 200 V D.C.
2. 25 kV single phase A.C.
3. 25 kV two phase A.C.
4. 25 kV three phase A.C.
- b. 25 kV single phase A.C.
1. 200 V D.C.
2. 25 kV single phase A.C.
3. 25 kV two phase A.C.
4. 25 kV three phase A.C.