Transformers The secondary of a current transformer is always short-circuited under operating conditions because it protects the primary circuit is safe to human beings avoids core saturation and high voltage induction None of these protects the primary circuit is safe to human beings avoids core saturation and high voltage induction None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers Material used for construction of transformer core is usually Wood Copper Aluminium Silicon steel Wood Copper Aluminium Silicon steel ANSWER DOWNLOAD EXAMIANS APP
Transformers The effect of leakage flux in a transformer is to ______ Decreases copper losses Cause voltage drop in the windings None of the listed here Increase copper losses Decreases copper losses Cause voltage drop in the windings None of the listed here Increase copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise resulting from vibrations of laminations set by magnetic forces, is termed as Magnetostriction Hum Zoom Boo Magnetostriction Hum Zoom Boo ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Leakage reactance Copper losses Winding resistance Iron losses Leakage reactance Copper losses Winding resistance Iron losses ANSWER DOWNLOAD EXAMIANS APP
Transformers In Ns is the synchronous speed and s the slip, then actual running speed of an induction motor will be (Ns-l)s Ns (l-s)Ns s.N. (Ns-l)s Ns (l-s)Ns s.N. ANSWER DOWNLOAD EXAMIANS APP
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