Transformers The power transformer is a constant Main flux device Power device Voltage device Current device Main flux device Power device Voltage device Current device ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load current of a transformer has has high magnitude and high power factor has small magnitude and high power factor has small magnitude and low power factor has high magnitude and low power factor has high magnitude and high power factor has small magnitude and high power factor has small magnitude and low power factor has high magnitude and low power factor ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. Above 40% 3-5% 15-30% 30-40% Above 40% 3-5% 15-30% 30-40% ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer, leakage flux Produces mutually induced emf Helps in transfer of energy Is negligible at full load Is minimised by interleaving the primary and secondary windings Produces mutually induced emf Helps in transfer of energy Is negligible at full load Is minimised by interleaving the primary and secondary windings ANSWER DOWNLOAD EXAMIANS APP
Transformers A certain transformer has 400 turns in the primary winding and 2,000 turns in the secondary winding. The turns ratio is 25 0.4 5 0.2 25 0.4 5 0.2 ANSWER DOWNLOAD EXAMIANS APP
Transformers By laminating the core of a transformer, we decrease _____ Copper loss Hysteresis loss Leakage reactance Eddy current loss Copper loss Hysteresis loss Leakage reactance Eddy current loss ANSWER DOWNLOAD EXAMIANS APP
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