Transformers Which of the following transformer is smallest? 2kVA, 50 Hz 2kVA, 500 Hz 2kVA, 200 Hz 2kVA, 400 Hz 2kVA, 50 Hz 2kVA, 500 Hz 2kVA, 200 Hz 2kVA, 400 Hz ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Iron losses Winding resistance Leakage reactance Copper losses Iron losses Winding resistance Leakage reactance Copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers If a transformer has 50 turns in the primary winding and 10 turns in the secondary winding, what is the reflective resistance if the secondary load resistance is 250 ? 25 Ω 250 Ω 62500 Ω 6250 Ω 25 Ω 250 Ω 62500 Ω 6250 Ω 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 Sumpner's test is conducted on transformer to determine All day efficiency None of the listed here Temperature Stray losses All day efficiency None of the listed here Temperature Stray losses 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 0.85 V 1.7 V 1 V 0 V 0.85 V 1.7 V 1 V 0 V ANSWER DOWNLOAD EXAMIANS APP
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