Transformers By laminating the core of a transformer, we decrease _____ Copper loss Hysteresis loss Eddy current loss Leakage reactance Copper loss Hysteresis loss Eddy current loss Leakage reactance 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 100 W 50 W 400 W 200 W 100 W 50 W 400 W 200 W ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiency of a transformer will be maximum when ______ Leakage reactance of the two winding Copper loss is equal to constant loss None of the listed here Resistance of the two winding are equal Leakage reactance of the two winding Copper loss is equal to constant loss None of the listed here Resistance of the two winding are equal ANSWER DOWNLOAD EXAMIANS APP
Transformers The approximate efficiency of a large transformer is 80% 50% 95% 65% 80% 50% 95% 65% ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer, leakage flux Helps in transfer of energy Produces mutually induced emf Is minimised by interleaving the primary and secondary windings Is negligible at full load Helps in transfer of energy Produces mutually induced emf Is minimised by interleaving the primary and secondary windings Is negligible at full load ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS