Transformers Power transformers are generally designed to have maximum efficiency around near full-load no-load 10% overload half-load near full-load no-load 10% overload half-load ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load current of a transformer has has high magnitude and low power factor has small magnitude and low power factor has small magnitude and high power factor has high magnitude and high power factor has high magnitude and low power factor has small magnitude and low power factor has small magnitude and high power factor has high magnitude and high power factor 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 polarity same kVA rating same number of turns on the secondary side. same efficiency same polarity same kVA rating ANSWER DOWNLOAD EXAMIANS APP
Transformers The approximate efficiency of a large transformer is 50% 95% 65% 80% 50% 95% 65% 80% ANSWER DOWNLOAD EXAMIANS APP
Transformers The highest voltage for transmitting electrical power in india is 400 kV 33 kV 66 kV 132 kV 400 kV 33 kV 66 kV 132 kV ANSWER DOWNLOAD EXAMIANS APP
Transformers The main reason for generation of harmonics in a transformer could be mechanical vibrations fluctuating load saturation of core poor insulation mechanical vibrations fluctuating load saturation of core poor insulation ANSWER DOWNLOAD EXAMIANS APP
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