Transformers By laminating the core of a transformer, we decrease _____ Copper loss Eddy current loss Hysteresis loss Leakage reactance Copper loss Eddy current loss Hysteresis loss Leakage reactance 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 Cores of large transformers are built upto nearly circular cross section in order to reduce Copper loss Leakage reactance Iron losses Eddy current loss Copper loss Leakage reactance Iron losses Eddy current loss ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer oil must be free from Moisture Odour Gases Sludge Moisture Odour Gases Sludge ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiency of a transformer will be maximum when ______ Copper loss is equal to constant loss Leakage reactance of the two winding None of the listed here Resistance of the two winding are equal Copper loss is equal to constant loss Leakage reactance of the two winding None of the listed here Resistance of the two winding are equal ANSWER DOWNLOAD EXAMIANS APP
Transformers The power transformer is a constant Main flux device Voltage device Power device Current device Main flux device Voltage device Power device Current device ANSWER DOWNLOAD EXAMIANS APP
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