Transformers The turns ratio required to match an 80 source to a 320 load is 80 4 2 20 80 4 2 20 ANSWER DOWNLOAD EXAMIANS APP
Transformers The path of the magnetic flux in transformer should have low reactance low resistance high resistance high reluctance low reactance low resistance high resistance high reluctance ANSWER DOWNLOAD EXAMIANS APP
Transformers In which of the following transformer part of primary winding also serves as the secondary winding? Step-up transformer Auto transformer Potential transformer Current transformer Step-up transformer Auto transformer Potential transformer Current transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiency of a transformer will be maximum when ______ Resistance of the two winding are equal None of the listed here Copper loss is equal to constant loss Leakage reactance of the two winding Resistance of the two winding are equal None of the listed here Copper loss is equal to constant loss Leakage reactance of the two winding ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is also called its Power efficiency None of the listed here Energy efficiency Current efficiency Power efficiency None of the listed here Energy efficiency Current efficiency 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 120 V 2,400 V 240 V 12 V 120 V 2,400 V 240 V 12 V ANSWER DOWNLOAD EXAMIANS APP
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