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 400 W 100 W 200 W 50 W 400 W 100 W 200 W ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load on a transformer is carried out to determine magnetising current magnetising current and loss copper loss efficiency of the transformer magnetising current magnetising current and loss copper loss efficiency of the transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer provides _______ None of the listed here Much longer magnetic path Shorter magnetic path Lesser average length per turn None of the listed here Much longer magnetic path Shorter magnetic path Lesser average length per turn ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer operates poorly at very low frequencies because _____ None of the listed here Magnetising current is abnormally high Permeability of core is increased Primary reactance is too much increased None of the listed here Magnetising current is abnormally high Permeability of core is increased Primary reactance is too much increased ANSWER DOWNLOAD EXAMIANS APP
Transformers By laminating the core of a transformer, we decrease _____ Leakage reactance Eddy current loss Copper loss Hysteresis loss Leakage reactance Eddy current loss Copper loss Hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum load that a power transformer can carry is limited by its dielectric strength of oil copper loss voltage ratio temperature rise dielectric strength of oil copper loss voltage ratio temperature rise ANSWER DOWNLOAD EXAMIANS APP