Transformers The all day efficiency of a transformer is also called its Current efficiency Power efficiency Energy efficiency None of the listed here Current efficiency Power efficiency Energy efficiency None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer with a 110 V primary has a 15:1 turns ratio. The load resistance, RL, is 120 . What is the approximate voltage across the load? 7.3 V 88 V 880 V 73 V 7.3 V 88 V 880 V 73 V ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer routine efficiency depends upon Supply frequency Both power factor and load current Load current Power factor of load Supply frequency Both power factor and load current Load current Power factor of load ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum efficiency of a distribution transformer is at 50% full load at 80% full load at no load at full load at 50% full load at 80% full load at no load at full load ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiency of a transformer will be maximum when ______ None of the listed here Leakage reactance of the two winding Copper loss is equal to constant loss Resistance of the two winding are equal None of the listed here Leakage reactance of the two winding Copper loss is equal to constant loss Resistance of the two winding are equal ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a fitting on a transformer? Conservator Breather Buchholz's relay Commutator Conservator Breather Buchholz's relay Commutator ANSWER DOWNLOAD EXAMIANS APP
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