DGVCL Exam Paper (11-12-2011)
Under operating conditions, the secondary of a current transformer is always short ciruited because

It avoids core saturation and high voltage induction
It is safe to human beings
It protects the secondary ciruits
It protects the primary ciruits

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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 an attracting force between the conductors
There is a repelling 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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DGVCL Exam Paper (11-12-2011)
The motor used in celling fans is

Capacitor start capacitor run motor
Capacitor start motor
Split phase motor
Universal motor

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