Transformers The maximum flux produced in the core of a transformer is ______ Inversely proportional to primary voltage Directly proportional to supply frequency Inversely proportional to supply frequency None of the listed here Inversely proportional to primary voltage Directly proportional to supply frequency Inversely proportional to supply frequency None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers An open-circuit test on a transformer is conducted primarily to measure total loss insulation resistance copper loss core loss total loss insulation resistance copper loss core loss ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer, leakage flux Is negligible at full load Helps in transfer of energy Produces mutually induced emf Is minimised by interleaving the primary and secondary windings Is negligible at full load Helps in transfer of energy Produces mutually induced emf Is minimised by interleaving the primary and secondary windings ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following insulating materials can withstand the highest temperature safely? Asbestos Mica Cellulose Glass fibre Asbestos Mica Cellulose Glass fibre ANSWER DOWNLOAD EXAMIANS APP
Transformers The power efficiency of a lightning transformer is always ______its all day efficiency. Less than None of the listed here Higher than Equal to Less than None of the listed here Higher than Equal to ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is also called its None of the listed here Energy efficiency Current efficiency Power efficiency None of the listed here Energy efficiency Current efficiency Power efficiency ANSWER DOWNLOAD EXAMIANS APP
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