Transformers Which of the following 3 phase connections of transformer create disturbances in communication systems Star/Delta Delta/Delta Star/Star Delta/Star Star/Delta Delta/Delta Star/Star Delta/Star ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has a 1:6 turns ratio and a secondary coil load resistance of 470 . The load resistance as seen by the source is 78 Ω 13 Ω 1.3 Ω 7.8 Ω 78 Ω 13 Ω 1.3 Ω 7.8 Ω ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Leakage reactance Copper losses Iron losses Winding resistance Leakage reactance Copper losses Iron losses Winding resistance ANSWER DOWNLOAD EXAMIANS APP
Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Eddy current loss Iron losses Copper loss Leakage reactance Eddy current loss Iron losses Copper loss Leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers How many primary volts must be applied to a transformer with a turns ratio of 0.1 to obtain a secondary voltage of 9 V? 9 V 90 V 0.9 V 900 V 9 V 90 V 0.9 V 900 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Open circuit test on transformers is conducted to determine copper losses core losses hysteresis losses eddy current losses copper losses core losses hysteresis losses eddy current losses ANSWER DOWNLOAD EXAMIANS APP
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