Transformers Short circuit test of a transformer helps us to find its Cu loss at no load None of the listed here Full load cu loss Iron loss Cu loss at no load None of the listed here Full load cu loss Iron loss ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary of a transformer are ______ coupled. None of the listed here Electrically and magnetically Magnetically Electrically None of the listed here Electrically and magnetically Magnetically Electrically ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is the main advantage of an auto-transformer over a two winding transformer? Eddy losses are totally eliminated Saving in winding material Copper losses are negligible Hysteresis losses are reduced Eddy losses are totally eliminated Saving in winding material Copper losses are negligible Hysteresis losses are reduced ANSWER DOWNLOAD EXAMIANS APP
Transformers The approximate efficiency of a large transformer is 50% 65% 95% 80% 50% 65% 95% 80% ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine efficiency copper loss magnetising current core loss magnetising current and loss efficiency copper loss magnetising current core loss magnetising current and loss ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Winding resistance Iron losses Copper losses Leakage reactance Winding resistance Iron losses Copper losses Leakage reactance ANSWER DOWNLOAD EXAMIANS APP
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