Transformers The effect of leakage flux in a transformer is to ______ Cause voltage drop in the windings Increase copper losses Decreases copper losses None of the listed here Cause voltage drop in the windings Increase copper losses Decreases copper losses None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise resulting from vibrations of laminations set by magnetic forces, is termed as Magnetostriction Hum Boo Zoom Magnetostriction Hum Boo Zoom ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary leakage flux links _____ Primary winding only None of the listed here Secondary winding only Both primary and secondary windings Primary winding only None of the listed here Secondary winding only Both primary and secondary windings ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following insulating materials can withstand the highest temperature safely? Asbestos Mica Cellulose Glass fibre Asbestos Mica Cellulose Glass fibre ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiency of a transformer will be maximum when ______ Copper loss is equal to constant loss Leakage reactance of the two winding None of the listed here Resistance of the two winding are equal Copper loss is equal to constant loss Leakage reactance of the two winding None of the listed here Resistance of the two winding are equal ANSWER DOWNLOAD EXAMIANS APP
Transformers Material used for construction of transformer core is usually Wood Aluminium Copper Silicon steel Wood Aluminium Copper Silicon steel ANSWER DOWNLOAD EXAMIANS APP
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