Transformers The open circuit test on a transformer is always made on ______ None of the listed here Either low or high voltage winding Low voltage winding High voltage winding None of the listed here Either low or high voltage winding Low voltage winding High voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. 3-5% 15-30% 30-40% Above 40% 3-5% 15-30% 30-40% Above 40% ANSWER DOWNLOAD EXAMIANS APP
Transformers When a 6 V battery is connected across the primary of a transformer with a turns ratio of 8, the secondary voltage is 0 V 48 V 6 V 0.75 V 0 V 48 V 6 V 0.75 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The dielectric strength of transformer oil is expected to be 33 kV 330 kV lkV 100 kV 33 kV 330 kV lkV 100 kV ANSWER DOWNLOAD EXAMIANS APP
Transformers Harmonics in transformer result in magnetic interference with communication circuits increased I2R losses increased core losses All of the listed here magnetic interference with communication circuits increased I2R losses increased core losses All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers In an auto transformer, the primary and secondary are _____ coupled. Only magnetically Only electrically Magnetically as well as electrically None of the listed here Only magnetically Only electrically Magnetically as well as electrically None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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