Transformers Which of the following insulating materials can withstand the highest temperature safely? Mica Glass fibre Cellulose Asbestos Mica Glass fibre Cellulose Asbestos ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformer to determine None of the listed here All day efficiency Stray losses Temperature None of the listed here All day efficiency Stray losses Temperature ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary of a transformer are ______ coupled. None of the listed here Magnetically Electrically Electrically and magnetically None of the listed here Magnetically Electrically Electrically and magnetically ANSWER DOWNLOAD EXAMIANS APP
Transformers In a certain transformer, the input power to the primary is 120 W. If 8.5 W are lost to the winding resistance, what is the output power to the load, neglecting any other issues? 111.5 W 0 W 14.1 W 1,020 W 111.5 W 0 W 14.1 W 1,020 W ANSWER DOWNLOAD EXAMIANS APP
Transformers Losses which occur in rotating electric machines and do not occur in trans formers are hysteresis and eddy current losses copper losses friction and windage losses magnetic losses hysteresis and eddy current losses copper losses friction and windage losses magnetic losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary coil of a transformer is connected to a 60 V ac source. The secondary coil is connected to a 330 load. The turns ratio is 3:1. What is the secondary voltage? 2 V 180 V 20 V 18 V 2 V 180 V 20 V 18 V ANSWER DOWNLOAD EXAMIANS APP
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