Coupling factor of a ground wire can be increased by
All of the above
Coupling factor of a ground wire can be increased by following these method 1. Reducing the footing impedance 2. Increasing the ground wire size 3. Using cantilever rods on the crossing along-with the areas of ground wire.
The most serious consequence of a major uncleared short-circuit fault could be
Which of the following results in a symmetrical fault?