Transformers The no load primary current is about ______of full load primary current. 30-40% Above 40% 3-5% 15-30% 30-40% Above 40% 3-5% 15-30% ANSWER DOWNLOAD EXAMIANS APP
Transformers In the short circuit test on a transformer, we generally short circuit ______ None of the listed here High voltage winding Either low or high voltage winding Low voltage winding None of the listed here High voltage winding Either low or high voltage winding Low voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers By laminating the core of a transformer, we decrease _____ Leakage reactance Copper loss Hysteresis loss Eddy current loss Leakage reactance Copper loss Hysteresis loss Eddy current loss ANSWER DOWNLOAD EXAMIANS APP
Transformers How many primary volts must be applied to a transformer with a turns ratio of 0.1 to obtain a secondary voltage of 9 V? 900 V 9 V 90 V 0.9 V 900 V 9 V 90 V 0.9 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The dielectric strength of transformer oil is expected to be lkV 100 kV 33 kV 330 kV lkV 100 kV 33 kV 330 kV ANSWER DOWNLOAD EXAMIANS APP
Transformers The eddy current loss in a transformer is directly proportional to _______. The supply frequency Thickness of core lamination Square of thickness of core lamination The flux density in the core The supply frequency Thickness of core lamination Square of thickness of core lamination The flux density in the core ANSWER DOWNLOAD EXAMIANS APP
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