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

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

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DGVCL Exam Paper (11-12-2011)
A fuse wire should have

Low specific resistance and high melting point
High specific resistance and low melting point
High specific resistance and high melting point
Low specific resistance and low melting point

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DGVCL Exam Paper (11-12-2011)
The motor used in celling fans is

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

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