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