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 12 V 240 V 120 V 2,400 V 12 V 240 V 120 V ANSWER DOWNLOAD EXAMIANS APP
Transformers We can find _______of the transformer with open circuit test. Total equivalent resistance Total equivalent leakage reactance Copper losses Turn ratio Total equivalent resistance Total equivalent leakage reactance Copper losses Turn ratio ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding of the transformer has less cross-sectional area? High voltage winding Secondary winding Primary winding Low voltage winding High voltage winding Secondary winding Primary winding Low voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers If a power transformer is operated at very high frequencies, then ______ Primary will draw large power Primary reactance is too much increased Core losses will be excessive None of the listed here Primary will draw large power Primary reactance is too much increased Core losses will be excessive None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which has no losses and magnetic leakage core of stainless steel and winding of pure copper metal interleaved primary and secondary windings a common core for its primary and secondary windings no losses and magnetic leakage core of stainless steel and winding of pure copper metal interleaved primary and secondary windings a common core for its primary and secondary windings ANSWER DOWNLOAD EXAMIANS APP
Transformers The turns ratio required to match an 80 source to a 320 load is 80 2 4 20 80 2 4 20 ANSWER DOWNLOAD EXAMIANS APP
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