Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Iron losses Copper loss Leakage reactance Eddy current loss Iron losses Copper loss Leakage reactance Eddy current loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following parts of a transformer is visible from outside? Primary winding Core Bushings Secondary winding Primary winding Core Bushings Secondary winding ANSWER DOWNLOAD EXAMIANS APP
Transformers In a step-down transformer, there is a change of 15 A in the load current. This results in change of supply current of more than 15 A less than 15 A 15 A None of these more than 15 A less than 15 A 15 A None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following protection is normally not provided on small distribution transformers? Overfluxing protection All of these Overcurrent protection Buchholz relay Overfluxing protection All of these Overcurrent protection Buchholz relay 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 In a certain transformer, the input power to the primary is 120 W. If 8.5 W are lost to the winding resistance, what is the output power to the load, neglecting any other issues? 1,020 W 111.5 W 0 W 14.1 W 1,020 W 111.5 W 0 W 14.1 W ANSWER DOWNLOAD EXAMIANS APP