Transformers The primary leakage flux links _____ Both primary and secondary windings None of the listed here Secondary winding only Primary winding only Both primary and secondary windings None of the listed here Secondary winding only Primary winding only ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. Above 40% 30-40% 3-5% 15-30% Above 40% 30-40% 3-5% 15-30% ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum flux produced in the core of a transformer is ______ Inversely proportional to supply frequency Directly proportional to supply frequency Inversely proportional to primary voltage None of the listed here Inversely proportional to supply frequency Directly proportional to supply frequency Inversely proportional to primary voltage None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following insulating materials can withstand the highest temperature safely? Mica Cellulose Asbestos Glass fibre Mica Cellulose Asbestos Glass fibre ANSWER DOWNLOAD EXAMIANS APP
Transformers The eddy current loss in a transformer is directly proportional to _______. The supply frequency The flux density in the core Square of thickness of core lamination Thickness of core lamination The supply frequency The flux density in the core Square of thickness of core lamination Thickness of core lamination ANSWER DOWNLOAD EXAMIANS APP
Transformers When the turns ratio of a transformer is 20 and the primary ac voltage is 12 V, the secondary voltage is 240 V 12 V 2,400 V 120 V 240 V 12 V 2,400 V 120 V ANSWER DOWNLOAD EXAMIANS APP