Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Leakage reactance Winding resistance Copper losses Iron losses Leakage reactance Winding resistance Copper losses Iron losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Harmonics in transformer result in magnetic interference with communication circuits All of the listed here increased I2R losses increased core losses magnetic interference with communication circuits All of the listed here increased I2R losses increased core losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following protection is normally not provided on small distribution transformers? Buchholz relay Overcurrent protection All of these Overfluxing protection Buchholz relay Overcurrent protection All of these Overfluxing protection ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following parts of a transformer is visible from outside? Primary winding Core Secondary winding Bushings Primary winding Core Secondary winding Bushings ANSWER DOWNLOAD EXAMIANS APP
Transformers In which of the following transformer part of primary winding also serves as the secondary winding? Current transformer Step-up transformer Potential transformer Auto transformer Current transformer Step-up transformer Potential transformer Auto transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The output current corresponding to the maximum efficiency for a transformer having core loss of 200 W and equivalent resistance referred to secondary of 0.5 Ω is 20 A 5 A 10 A 15 A 20 A 5 A 10 A 15 A ANSWER DOWNLOAD EXAMIANS APP