Transformers Which of the following is the main advantage of an auto-transformer over a two winding transformer? Eddy losses are totally eliminated Hysteresis losses are reduced Saving in winding material Copper losses are negligible Eddy losses are totally eliminated Hysteresis losses are reduced Saving in winding material Copper losses are negligible ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will work on AC as well as DC None of the listed here Ac only Dc only AC as well as DC None of the listed here Ac only Dc only ANSWER DOWNLOAD EXAMIANS APP
Transformers The effect of leakage flux in a transformer is to ______ Increase copper losses Cause voltage drop in the windings None of the listed here Decreases copper losses Increase copper losses Cause voltage drop in the windings None of the listed here Decreases copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The path of the magnetic flux in transformer should have low resistance low reactance high reluctance high resistance low resistance low reactance high reluctance high resistance ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiencies of transformers compared with that of electric motors of the same power are somewhat smaller much smaller much higher about the same somewhat smaller much smaller much higher about the same 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
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