Transformers Which of the following 3 phase connections of transformer create disturbances in communication systems Delta/Star Star/Delta Delta/Delta Star/Star Delta/Star Star/Delta Delta/Delta Star/Star 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
Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Iron losses Winding resistance Leakage reactance Copper losses Iron losses Winding resistance Leakage reactance Copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has a 1:6 turns ratio and a secondary coil load resistance of 470 . The load resistance as seen by the source is 13 Ω 78 Ω 7.8 Ω 1.3 Ω 13 Ω 78 Ω 7.8 Ω 1.3 Ω ANSWER DOWNLOAD EXAMIANS APP
Transformers The winding of the transformer with greater number of turns will be _____ High voltage winding None of the listed here Low voltage winding Either high or low voltage winding High voltage winding None of the listed here Low voltage winding Either high or low voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the approximate efficiency of large transformers? 95 % 75% 65% 85% 95 % 75% 65% 85% ANSWER DOWNLOAD EXAMIANS APP
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