Transformers Efficiency of a power transformer is of the order of 50 per cent 25 per cent 100 per cent 98 per cent 50 per cent 25 per cent 100 per cent 98 per cent ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer does not posses ______changing property. Impedance Power Current Voltage Impedance Power Current Voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum load that a power transformer can carry is limited by its copper loss voltage ratio dielectric strength of oil temperature rise copper loss voltage ratio dielectric strength of oil temperature rise ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding in a transformer has more number of turns? Low voltage winding Primary winding Secondary winding High voltage winding Low voltage winding Primary winding Secondary winding High voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers Distribution transformers are generally designed for maximum efficiency around Zero load 25% load 90% load 50% load Zero load 25% load 90% load 50% load ANSWER DOWNLOAD EXAMIANS APP
Transformers An isolation transformer has primary to secondady turns ratio of 1:2 1:1 2:1 Can be any ratio 1:2 1:1 2:1 Can be any ratio ANSWER DOWNLOAD EXAMIANS APP
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