Transformers The temperature rise of transformer is directly proportional to _______ None of the listed here Reactive power Apparent power Leakage reactance None of the listed here Reactive power Apparent power Leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers In an auto transformer, the primary and secondary are _____ coupled. Only electrically None of the listed here Only magnetically Magnetically as well as electrically Only electrically None of the listed here Only magnetically Magnetically as well as electrically ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is ______ the commercial efficiency. Less than None of the listed here More than The same as Less than None of the listed here More than The same as ANSWER DOWNLOAD EXAMIANS APP
Transformers The eddy current loss in a transformer is directly proportional to _______. The flux density in the core Thickness of core lamination The supply frequency Square of thickness of core lamination The flux density in the core Thickness of core lamination The supply frequency Square of thickness of core lamination ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has full load copper loss of 400 W. The copper loss at half full load will be _____. 400 W None of the listed here 100 W 200 W 400 W None of the listed here 100 W 200 W ANSWER DOWNLOAD EXAMIANS APP