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 200 W 100 W 50 W 400 W 200 W 100 W ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because Uses capacitive coupling Uses electric coupling Uses inductive coupling A static device Uses capacitive coupling Uses electric coupling Uses inductive coupling A static device ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiencies of transformers compared with that of electric motors of the same power are much higher about the same somewhat smaller much smaller much higher about the same somewhat smaller much smaller ANSWER DOWNLOAD EXAMIANS APP
Transformers The temperature rise of transformer is directly proportional to _______ Reactive power None of the listed here Leakage reactance Apparent power Reactive power None of the listed here Leakage reactance Apparent power ANSWER DOWNLOAD EXAMIANS APP
Transformers The permissible flux density in case of cold rolled grain oriented steel is around 3.7 Wb/m² 2.7 Wb/m² 1.7 Wb/m² 4.7 Wb/m² 3.7 Wb/m² 2.7 Wb/m² 1.7 Wb/m² 4.7 Wb/m² ANSWER DOWNLOAD EXAMIANS APP
Transformers The winding of the transformer with greater number of turns will be _____ None of the listed here Either high or low voltage winding Low voltage winding High voltage winding None of the listed here Either high or low voltage winding Low voltage winding High voltage winding ANSWER DOWNLOAD EXAMIANS APP