Transformers When load on a transformer is increased, the eddy current _____ Remains unchanged None of the listed here Is increased Is decreased Remains unchanged None of the listed here Is increased Is decreased ANSWER DOWNLOAD EXAMIANS APP
Transformers Two things which are same for primary and secondary of transformer are ______ None of the listed here Currents and induced voltages Resistance and leakage reactances Ampere turns and voltage per turns None of the listed here Currents and induced voltages Resistance and leakage reactances Ampere turns and voltage per turns ANSWER DOWNLOAD EXAMIANS APP
Transformers In the short circuit test on a transformer, we generally short circuit ______ High voltage winding Low voltage winding Either low or high voltage winding None of the listed here High voltage winding Low voltage winding Either low or high voltage winding None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The output current corresponding to the maximum efficiency for a transformer having core loss of 200 W and equivalent resistance referred to secondary of 0.5 Ω is 5 A 15 A 10 A 20 A 5 A 15 A 10 A 20 A 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 The primary winding of a transformer has 110 V ac across it. What is the secondary voltage if the turns ratio is 8? 880 V 88 V 8.8 V 8,800 V 880 V 88 V 8.8 V 8,800 V ANSWER DOWNLOAD EXAMIANS APP