Transformers Which of the following transformer is smallest? 2kVA, 500 Hz 2kVA, 400 Hz 2kVA, 50 Hz 2kVA, 200 Hz 2kVA, 500 Hz 2kVA, 400 Hz 2kVA, 50 Hz 2kVA, 200 Hz ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Copper losses Leakage reactance Winding resistance Iron losses Copper losses Leakage reactance Winding resistance Iron losses ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will have zero efficiency at None of the listed here No load Half full load Full load None of the listed here No load Half full load Full load ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer gives _______ Iron losses Friction losses Total losses Copper losses Iron losses Friction losses Total losses Copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers To step 110 V ac down to 20 V ac, the turns ratio must be 5.5 0.18 0.018 18 5.5 0.18 0.018 18 ANSWER DOWNLOAD EXAMIANS APP
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 V 0.85 V 1.7 V 1 V 0 V 0.85 V 1.7 V 1 V ANSWER DOWNLOAD EXAMIANS APP
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