railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Power Systems Transmission and Distribution Underground Cables
In a 3-core belted cable, the measured capacitance between a conductor and the other two connected to the sheath together is 9 μF, whereas the measured capacitance between the three cores bunched together and the sheath is 12 μF. Calculate the capacitance per phase.
1
11.5 μF
2
2.5 μF
3
4μF
4
7.5 μF