Transformers The power efficiency of a lightning transformer is always ______its all day efficiency. Higher than Equal to None of the listed here Less than Higher than Equal to None of the listed here Less than ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer routine efficiency depends upon Supply frequency Power factor of load Both power factor and load current Load current Supply frequency Power factor of load Both power factor and load current Load current ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise resulting from vibrations of laminations set by magnetic forces, is termed as Boo Hum Zoom Magnetostriction Boo Hum Zoom Magnetostriction ANSWER DOWNLOAD EXAMIANS APP
Transformers The main reason for generation of harmonics in a transformer could be poor insulation mechanical vibrations saturation of core fluctuating load poor insulation mechanical vibrations saturation of core fluctuating load ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the approximate efficiency of large transformers? 85% 75% 65% 95 % 85% 75% 65% 95 % ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will work on AC as well as DC Dc only Ac only None of the listed here AC as well as DC Dc only Ac only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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