Q.The inductance of single-phase two-wire power transmission line per km gets doubled when the
ADistance between the wires is doubled
BDistance between the wires is increased four fold
CDistance between the wires is increased as square of the original distance
DRadius of the wire is doubled
Correct Answer : (C)
Distance between the wires is increased as square of the original distance
Hints :
The inductance of single-phase two-wire power transmission line per km gets doubled when the Distance between the wires is increased as square of the original distance.