Transformers In an auto transformer, the primary and secondary are _____ coupled. Magnetically as well as electrically Only magnetically None of the listed here Only electrically Magnetically as well as electrically Only magnetically None of the listed here Only electrically ANSWER DOWNLOAD EXAMIANS APP
Transformers When the secondary of a transformer is short circuited, the primary inductance _______ Is decreased Remians unchanged Is increased None of the listed here Is decreased Remians unchanged Is increased None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has 200 W as iron loss at full load. The iron loss at full load. The iron loss at half full load will be 100 W 50 W 400 W 200 W 100 W 50 W 400 W 200 W ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will work on Dc only None of the listed here AC as well as DC Ac only Dc only None of the listed here AC as well as DC Ac only ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum efficiency of a distribution transformer is at full load at 80% full load at 50% full load at no load at full load at 80% full load at 50% full load at no load ANSWER DOWNLOAD EXAMIANS APP
Transformers The approximate efficiency of a large transformer is 95% 80% 50% 65% 95% 80% 50% 65% ANSWER DOWNLOAD EXAMIANS APP
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