Transformers The maximum efficiency of a distribution transformer is at 50% full load at no load at full load at 80% full load at 50% full load at no load at full load at 80% full load ANSWER DOWNLOAD EXAMIANS APP
Transformers Efficiency of a power transformer is of the order of 25 per cent 50 per cent 100 per cent 98 per cent 25 per cent 50 per cent 100 per cent 98 per cent ANSWER DOWNLOAD EXAMIANS APP
Transformers The main reason for generation of harmonics in a transformer could be mechanical vibrations fluctuating load poor insulation saturation of core mechanical vibrations fluctuating load poor insulation saturation of core ANSWER DOWNLOAD EXAMIANS APP
Transformers In an auto transformer, the primary and secondary are _____ coupled. Only magnetically Magnetically as well as electrically None of the listed here Only electrically Only magnetically Magnetically as well as electrically None of the listed here Only electrically ANSWER DOWNLOAD EXAMIANS APP
Transformers Leakage flux in a transformer occurs because Transformer is not an efficient device Applied voltage is sinusoidal Air is not a good magnetic insulator Iron core has high permeability Transformer is not an efficient device Applied voltage is sinusoidal Air is not a good magnetic insulator Iron core has high permeability ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding in a transformer has more number of turns? Low voltage winding Primary winding Secondary winding High voltage winding Low voltage winding Primary winding Secondary winding High voltage winding ANSWER DOWNLOAD EXAMIANS APP
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