DGVCL Exam Paper (11-12-2011)
Bulk power transmission over long HVDC lines are preferred on account of

Low cost of HVDC terminals
Minimum line power losses
No harmonic problems
Simple protection

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DGVCL Exam Paper (11-12-2011)
Two parallel conductors are carrying the current in the same direction. Which of the following statements is correct?

There is a repelling force between the conductors
There is an attracting force between the conductors
The force increases when the distance between the conductors is increased
The force increases when the distance between the conductors is decreased

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