Transmission & Distribution
When the load at the receiving end of a long transmission line is removed, the sending end voltage. This effect is known as

Proximity effect
Kelvin effect
Ferranti effect
Skin effect

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Transmission & Distribution
Which of the following is the demerit of a 'constant voltage transmission system'?

Possibility of better protection for the line due to possible use of higher terminal reactants
Improvement of power factor at times of moderate and heavy loads
Increase of short-circuit current of the system
Availability of steady voltage at all loads at the line terminals

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