Transformers When the secondary of a transformer is short circuited, the primary inductance _______ None of the listed here Is increased Is decreased Remians unchanged None of the listed here Is increased Is decreased Remians unchanged ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding of the transformer has less cross-sectional area? Primary winding Secondary winding High voltage winding Low voltage winding Primary winding Secondary winding High voltage winding Low voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum load that a power transformer can carry is limited by its dielectric strength of oil temperature rise voltage ratio copper loss dielectric strength of oil temperature rise voltage ratio copper loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Material used for construction of transformer core is usually Aluminium Silicon steel Copper Wood Aluminium Silicon steel Copper Wood ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is the main advantage of an auto-transformer over a two winding transformer? Hysteresis losses are reduced Eddy losses are totally eliminated Saving in winding material Copper losses are negligible Hysteresis losses are reduced Eddy losses are totally eliminated Saving in winding material Copper losses are negligible ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has 200 W as iron loss at full load. The iron loss at full load. The iron loss at half full load will be 50 W 100 W 200 W 400 W 50 W 100 W 200 W 400 W ANSWER DOWNLOAD EXAMIANS APP