Transformers Which of the following parts of a transformer is visible from outside? Primary winding Core Bushings Secondary winding Primary winding Core Bushings Secondary winding 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? 8,800 V 880 V 88 V 8.8 V 8,800 V 880 V 88 V 8.8 V ANSWER DOWNLOAD EXAMIANS APP
Transformers If a transformer core has air gaps, then, _________ Reluctance of magnetic path is decreased Eddy current is increased Magnetising current is greatly increased Hysteresis loss is decreased Reluctance of magnetic path is decreased Eddy current is increased Magnetising current is greatly increased Hysteresis loss is decreased ANSWER DOWNLOAD EXAMIANS APP
Transformers We can find _______of the transformer with open circuit test. Total equivalent leakage reactance Copper losses Turn ratio Total equivalent resistance Total equivalent leakage reactance Copper losses Turn ratio Total equivalent resistance ANSWER DOWNLOAD EXAMIANS APP
Transformers In an auto transformer, the primary and secondary are _____ coupled. None of the listed here Only magnetically Only electrically Magnetically as well as electrically None of the listed here Only magnetically Only electrically Magnetically as well as electrically ANSWER DOWNLOAD EXAMIANS APP
Transformers The principle of working of transformer is Static induction Self induction Mutual induction Dynamic induction Static induction Self induction Mutual induction Dynamic induction ANSWER DOWNLOAD EXAMIANS APP
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