Transformers The efficiencies of transformers compared with that of electric motors of the same power are about the same much smaller somewhat smaller much higher about the same much smaller somewhat smaller much higher ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise resulting from vibrations of laminations set by magnetic forces, is termed as Hum Zoom Magnetostriction Boo Hum Zoom Magnetostriction Boo ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformers to determine all-day efficiency None of these stray losses temperature all-day efficiency None of these stray losses temperature ANSWER DOWNLOAD EXAMIANS APP
Transformers For the parallel operation of single phase transformers it is necessary that they should have same number of turns on the secondary side. same efficiency same kVA rating same polarity same number of turns on the secondary side. same efficiency same kVA rating same polarity ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load on a transformer is carried out to determine magnetising current copper loss efficiency of the transformer magnetising current and loss magnetising current copper loss efficiency of the transformer magnetising current and loss ANSWER DOWNLOAD EXAMIANS APP
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