Transformers The maximum load that a power transformer can carry is limited by its copper loss voltage ratio temperature rise dielectric strength of oil copper loss voltage ratio temperature rise dielectric strength of oil ANSWER DOWNLOAD EXAMIANS APP
Transformers In which of the following transformer part of primary winding also serves as the secondary winding? Step-up transformer Current transformer Auto transformer Potential transformer Step-up transformer Current transformer Auto transformer Potential transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The voltage transformation ratio of a transformer is equal to the ratio of secondary current to primary current secondary induced e.m.f. to primary induced e.m.f. secondary terminal voltage to primary applied voltage primary turns to secondary turns secondary current to primary current secondary induced e.m.f. to primary induced e.m.f. secondary terminal voltage to primary applied voltage primary turns to secondary turns ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural air cooling is generally restricted for transformers up to 50 MVA 1.5 MVA 15 MVA 5 MVA 50 MVA 1.5 MVA 15 MVA 5 MVA ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test on transformers is conducted to determine copper losses eddy current losses core losses hysteresis losses copper losses eddy current losses core losses hysteresis losses 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
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