Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Iron losses Leakage reactance Copper losses Winding resistance Iron losses Leakage reactance Copper losses Winding resistance ANSWER DOWNLOAD EXAMIANS APP
Transformers The approximate efficiency of a large transformer is 95% 50% 65% 80% 95% 50% 65% 80% ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiency of a transformer will be maximum when ______ Leakage reactance of the two winding Resistance of the two winding are equal Copper loss is equal to constant loss None of the listed here Leakage reactance of the two winding Resistance of the two winding are equal Copper loss is equal to constant loss None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because it _______ Uses electric coupling Uses inductive coupling Uses capacitive coupling Is a static device Uses electric coupling Uses inductive coupling Uses capacitive coupling Is a static device ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a transformer has 110 V ac across it. What is the secondary voltage if the turns ratio is 8? 88 V 8,800 V 880 V 8.8 V 88 V 8,800 V 880 V 8.8 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer breaths in when load on it increases load remains constant None of these load on it decreases load on it increases load remains constant None of these load on it decreases ANSWER DOWNLOAD EXAMIANS APP
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