Transformers When the turns ratio of a transformer is 20 and the primary ac voltage is 12 V, the secondary voltage is 120 V 2,400 V 12 V 240 V 120 V 2,400 V 12 V 240 V ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load on a transformer is carried out to determine magnetising current and loss magnetising current efficiency of the transformer copper loss magnetising current and loss magnetising current efficiency of the transformer copper loss ANSWER DOWNLOAD EXAMIANS APP
Transformers The principle of working of transformer is Self induction Static induction Mutual induction Dynamic induction Self induction Static induction Mutual induction Dynamic induction ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is also called its None of the listed here Current efficiency Power efficiency Energy efficiency None of the listed here Current efficiency Power efficiency Energy efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the coefficient of coupling for a transformer in which 4% of the total flux generated in the primary does not pass through the secondary? 0.4 0.96 9.6 4 0.4 0.96 9.6 4 ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which _______ Does not work Has no losses and leakage reactance None of the listed here Has same number of primary and secondary turns Does not work Has no losses and leakage reactance None of the listed here Has same number of primary and secondary turns ANSWER DOWNLOAD EXAMIANS APP
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