Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Copper loss Eddy current loss Leakage reactance Iron losses Copper loss Eddy current loss Leakage reactance Iron losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The amount of copper in the primary is _______that of secondary. None of the listed here Greater than Smaller than About the same as None of the listed here Greater than Smaller than About the same as ANSWER DOWNLOAD EXAMIANS APP
Transformers A common method of colling a power transformer is Natural air cooling Oil cooling Air blast cooling Any of the listed here Natural air cooling Oil cooling Air blast cooling Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers In a certain transformer, the input power to the primary is 120 W. If 8.5 W are lost to the winding resistance, what is the output power to the load, neglecting any other issues? 14.1 W 0 W 1,020 W 111.5 W 14.1 W 0 W 1,020 W 111.5 W ANSWER DOWNLOAD EXAMIANS APP
Transformers The hum in a transformer is mainly attributed to mechanical vibrations oil in the transformer load changes magnetostriction mechanical vibrations oil in the transformer load changes magnetostriction ANSWER DOWNLOAD EXAMIANS APP
Transformers The main reason for generation of harmonics in a transformer could be mechanical vibrations poor insulation saturation of core fluctuating load mechanical vibrations poor insulation saturation of core fluctuating load ANSWER DOWNLOAD EXAMIANS APP
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