Transformers No-load current of a transformer has has high magnitude and high power factor has high magnitude and low power factor has small magnitude and high power factor has small magnitude and low power factor has high magnitude and high power factor has high magnitude and low power factor has small magnitude and high power factor has small magnitude and low power factor ANSWER DOWNLOAD EXAMIANS APP
Transformers In an auto transformer, the primary and secondary are _____ coupled. None of the listed here Only electrically Magnetically as well as electrically Only magnetically None of the listed here Only electrically Magnetically as well as electrically Only magnetically ANSWER DOWNLOAD EXAMIANS APP
Transformers How many primary volts must be applied to a transformer with a turns ratio of 0.1 to obtain a secondary voltage of 9 V? 90 V 900 V 9 V 0.9 V 90 V 900 V 9 V 0.9 V ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer routine efficiency depends upon Load current Power factor of load Supply frequency Both power factor and load current Load current Power factor of load Supply frequency Both power factor and load current ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine copper loss core loss magnetising current efficiency magnetising current and loss copper loss core loss magnetising current efficiency magnetising current and loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a part of transformer installation? Breather Buchholz relay Exciter Conservator Breather Buchholz relay Exciter Conservator ANSWER DOWNLOAD EXAMIANS APP
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