Transformers The principle of working of transformer is Mutual induction Self induction Static induction Dynamic induction Mutual induction Self induction Static induction Dynamic induction ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding in a transformer has more number of turns? Low voltage winding Secondary winding Primary winding High voltage winding Low voltage winding Secondary winding Primary winding High voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers A step up transformer increases Frequency Power Current Voltage Frequency Power Current Voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary coil of a transformer is connected to a 60 V ac source. The secondary coil is connected to a 330 load. The turns ratio is 3:1. What is the secondary voltage? 18 V 2 V 20 V 180 V 18 V 2 V 20 V 180 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is the main advantage of an auto-transformer over a two winding transformer? Saving in winding material Eddy losses are totally eliminated Hysteresis losses are reduced Copper losses are negligible Saving in winding material Eddy losses are totally eliminated Hysteresis losses are reduced Copper losses are negligible ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a transformer has 110 V ac across it. What is the secondary voltage if the turns ratio is 8? 8.8 V 88 V 880 V 8,800 V 8.8 V 88 V 880 V 8,800 V ANSWER DOWNLOAD EXAMIANS APP
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