Transformers The maximum flux produced in the core of a transformer is ______ None of the listed here Directly proportional to supply frequency Inversely proportional to supply frequency Inversely proportional to primary voltage None of the listed here Directly proportional to supply frequency Inversely proportional to supply frequency Inversely proportional to primary voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers We can find _______of the transformer with open circuit test. Total equivalent resistance Copper losses Total equivalent leakage reactance Turn ratio Total equivalent resistance Copper losses Total equivalent leakage reactance Turn ratio ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiency of a transformer will be maximum when ______ Copper loss is equal to constant loss Resistance of the two winding are equal None of the listed here Leakage reactance of the two winding Copper loss is equal to constant loss Resistance of the two winding are equal None of the listed here Leakage reactance of the two winding ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual inductance when k = 0.65, L1 = 2 H, and L2 = 5 H is 2 μH 8 μH 4 μH 2 mH 2 μH 8 μH 4 μH 2 mH ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will work on AC as well as DC Ac only None of the listed here Dc only AC as well as DC Ac only None of the listed here Dc only ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer breaths in when None of these load on it increases load remains constant load on it decreases None of these load on it increases load remains constant load on it decreases ANSWER DOWNLOAD EXAMIANS APP
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