railway RRB JE (CBT I + CBT II) Mock Test 2024 Power Systems Transmission and Distribution Distribution Systems
What is the percentage saving in feeder copper if the line voltage in a 2-wire DC systems is raised from 100 V to 200 V for the same power transmitted over the same power distance and having the same power loss?
1
25%
2
75%
3
50%
4
100%