engineering recuitment NCL Assistant Foreman (Trainee) Mock Test 2024 Power Systems Transmission and Distribution Distribution Systems
What is the ratio of copper required for the 3-wire 3-phase AC system to an equivalent 2-wire DC system?
1
2cos2 θ
2
cos2 θ
3
\(\frac{1}{{2{{\cos }^2}\theta }}\)
4
\(\frac{2}{{{{\cos }^2}\theta }}\)