Transformers For the parallel operation of single phase transformers it is necessary that they should have same efficiency same number of turns on the secondary side. same polarity same kVA rating same efficiency same number of turns on the secondary side. same polarity same kVA rating ANSWER DOWNLOAD EXAMIANS APP
Transformers The amount of copper in the primary is _______that of secondary. Greater than None of the listed here Smaller than About the same as Greater than None of the listed here Smaller than About the same as ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum load that a power transformer can carry is limited by its temperature rise dielectric strength of oil voltage ratio copper loss temperature rise dielectric strength of oil voltage ratio copper loss ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary of a transformer are ______ coupled. None of the listed here Magnetically Electrically and magnetically Electrically None of the listed here Magnetically Electrically and magnetically Electrically ANSWER DOWNLOAD EXAMIANS APP
Transformers The eddy current loss in a transformer is directly proportional to _______. Square of thickness of core lamination Thickness of core lamination The flux density in the core The supply frequency Square of thickness of core lamination Thickness of core lamination The flux density in the core The supply frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers The principle of working of transformer is Mutual induction Static induction Dynamic induction Self induction Mutual induction Static induction Dynamic induction Self induction ANSWER DOWNLOAD EXAMIANS APP