Transformers The power transformer is a constant Main flux device Voltage device Current device Power device Main flux device Voltage device Current device Power device 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 240 V 12 V 120 V 2,400 V 240 V 12 V 120 V 2,400 V ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the approximate efficiency of large transformers? 65% 95 % 85% 75% 65% 95 % 85% 75% ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will have zero efficiency at Full load Half full load No load None of the listed here Full load Half full load No load None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Negative voltage regulation is indicative that the load is None of these inductive or resistive inductive only capacitive only None of these inductive or resistive inductive only capacitive only ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load on a transformer is carried out to determine magnetising current copper loss efficiency of the transformer magnetising current and loss magnetising current copper loss efficiency of the transformer magnetising current and loss ANSWER DOWNLOAD EXAMIANS APP
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