Transformers The voltage transformation ratio of a transformer is equal to the ratio of secondary current to primary current secondary terminal voltage to primary applied voltage primary turns to secondary turns secondary induced e.m.f. to primary induced e.m.f. secondary current to primary current secondary terminal voltage to primary applied voltage primary turns to secondary turns secondary induced e.m.f. to primary induced e.m.f. ANSWER DOWNLOAD EXAMIANS APP
Transformers In an auto transformer, the primary and secondary are _____ coupled. None of the listed here Only electrically Magnetically as well as electrically Only magnetically None of the listed here Only electrically Magnetically as well as electrically Only magnetically ANSWER DOWNLOAD EXAMIANS APP
Transformers An isolation transformer has primary to secondady turns ratio of 2:1 Can be any ratio 1:2 1:1 2:1 Can be any ratio 1:2 1:1 ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformer to determine Temperature All day efficiency None of the listed here Stray losses Temperature All day efficiency None of the listed here Stray losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following parts of a transformer is visible from outside? Primary winding Bushings Secondary winding Core Primary winding Bushings Secondary winding Core ANSWER DOWNLOAD EXAMIANS APP
Transformers A step up transformer increases Current Voltage Frequency Power Current Voltage Frequency Power ANSWER DOWNLOAD EXAMIANS APP
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