Inductance of a single phase two wire power transmission line

Q.  The inductance of a single phase two wire power transmission line per km gets doubled when
- Published on 24 Nov 15

a. Distance between the wires is doubled
b. Distance between the wires increased fourfold
c. Distance between the wires is increased as the square of the original distance
d. Radius of the wire is doubled

ANSWER: Distance between the wires is increased as the square of the original distance

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