Transformers A transformer will work on Ac only AC as well as DC Dc only None of the listed here Ac only AC as well as DC Dc only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiency of a transformer, under heavy loads, is comparatively low because secondary output is much less as compared to primary input copper loss becomes high in proportion to the output voltage drop both in primary and secondary becomes large iron loss is increased considerably secondary output is much less as compared to primary input copper loss becomes high in proportion to the output voltage drop both in primary and secondary becomes large iron loss is increased considerably ANSWER DOWNLOAD EXAMIANS APP
Transformers The effect of leakage flux in a transformer is to ______ None of the listed here Decreases copper losses Cause voltage drop in the windings Increase copper losses None of the listed here Decreases copper losses Cause voltage drop in the windings Increase copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise produced by a transformer is termed as ringing buzz hum zoom ringing buzz hum zoom ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine magnetising current and loss copper loss efficiency core loss magnetising current magnetising current and loss copper loss efficiency core loss magnetising current ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following 3 phase connections of transformer create disturbances in communication systems Delta/Star Star/Delta Delta/Delta Star/Star Delta/Star Star/Delta Delta/Delta Star/Star ANSWER DOWNLOAD EXAMIANS APP
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