Transformers An open-circuit test on a transformer is conducted primarily to measure copper loss total loss insulation resistance core loss copper loss total loss insulation resistance core loss ANSWER DOWNLOAD EXAMIANS APP
Transformers In an auto transformer, the primary and secondary are _____ coupled. Magnetically as well as electrically Only electrically None of the listed here Only magnetically Magnetically as well as electrically Only electrically None of the listed here Only magnetically ANSWER DOWNLOAD EXAMIANS APP
Transformers A shell-type transformer has high eddy current losses None of these negligibly hysteresis losses reduced magnetic leakage high eddy current losses None of these negligibly hysteresis losses reduced magnetic leakage 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? 180 V 20 V 2 V 18 V 180 V 20 V 2 V 18 V ANSWER DOWNLOAD EXAMIANS APP
Transformers When the turns ratio of a transformer is 20 and the primary ac voltage is 12 V, the secondary voltage is 12 V 120 V 240 V 2,400 V 12 V 120 V 240 V 2,400 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer provides _______ Lesser average length per turn Shorter magnetic path None of the listed here Much longer magnetic path Lesser average length per turn Shorter magnetic path None of the listed here Much longer magnetic path ANSWER DOWNLOAD EXAMIANS APP
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