Transformers In the short circuit test on a transformer, we generally short circuit ______ High voltage winding Either low or high voltage winding Low voltage winding None of the listed here High voltage winding Either low or high voltage winding Low voltage winding None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load ratio of a 50 Hz single phase transformer is 6000/250 V. The maximum flux in the core is 0.06 Wb. What is the number of primary turns? 900 450 350 210 900 450 350 210 ANSWER DOWNLOAD EXAMIANS APP
Transformers The temperature rise of transformer is directly proportional to _______ None of the listed here Leakage reactance Reactive power Apparent power None of the listed here Leakage reactance Reactive power Apparent power 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 1.3 Ω 13 Ω 78 Ω 7.8 Ω 1.3 Ω 13 Ω 78 Ω 7.8 Ω ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following transformer is smallest? 2kVA, 50 Hz 2kVA, 200 Hz 2kVA, 400 Hz 2kVA, 500 Hz 2kVA, 50 Hz 2kVA, 200 Hz 2kVA, 400 Hz 2kVA, 500 Hz ANSWER DOWNLOAD EXAMIANS APP
Transformers When the turns ratio of a transformer is 20 and the primary ac voltage is 12 V, the secondary voltage is 2,400 V 240 V 120 V 12 V 2,400 V 240 V 120 V 12 V ANSWER DOWNLOAD EXAMIANS APP
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