Transformers A certain transformer has a turns ratio of 1 and a 0.85 coefficient of coupling. When 2 V ac is applied to the primary, the secondary voltage is 0.85 V 1 V 1.7 V 0 V 0.85 V 1 V 1.7 V 0 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is also called its None of the listed here Power efficiency Current efficiency Energy efficiency None of the listed here Power efficiency Current efficiency Energy efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer gives _______ Friction losses Total losses Copper losses Iron losses Friction losses Total losses Copper losses Iron losses ANSWER DOWNLOAD EXAMIANS APP
Transformers We can find _______of the transformer with open circuit test. Turn ratio Total equivalent resistance Total equivalent leakage reactance Copper losses Turn ratio Total equivalent resistance Total equivalent leakage reactance Copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Losses which occur in rotating electric machines and do not occur in trans formers are magnetic losses copper losses hysteresis and eddy current losses friction and windage losses magnetic losses copper losses hysteresis and eddy current losses friction and windage losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The power transformer is a constant Voltage device Main flux device Current device Power device Voltage device Main flux device Current device Power device ANSWER DOWNLOAD EXAMIANS APP
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