Transformers In which of the following transformer part of primary winding also serves as the secondary winding? Auto transformer Potential transformer Current transformer Step-up transformer Auto transformer Potential transformer Current transformer Step-up transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer is always made on ______ Either low or high voltage winding None of the listed here Low voltage winding High voltage winding Either low or high voltage winding None of the listed here Low voltage winding High voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers The eddy current loss in a transformer is directly proportional to _______. Thickness of core lamination The flux density in the core Square of thickness of core lamination The supply frequency Thickness of core lamination The flux density in the core Square of thickness of core lamination The supply frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a power transformer should always be fused shorted open switched fused shorted open switched ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiency of a transformer will be maximum when ______ Copper loss is equal to constant loss None of the listed here Leakage reactance of the two winding Resistance of the two winding are equal Copper loss is equal to constant loss None of the listed here Leakage reactance of the two winding Resistance of the two winding are equal ANSWER DOWNLOAD EXAMIANS APP
Transformers The amount of copper in the primary is _______that of secondary. Smaller than Greater than None of the listed here About the same as Smaller than Greater than None of the listed here About the same as ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS