Transformers The approximate efficiency of a large transformer is 80% 65% 95% 50% 80% 65% 95% 50% ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary of a transformer are ______ coupled. Electrically Magnetically Electrically and magnetically None of the listed here Electrically Magnetically Electrically and magnetically None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The amount of copper in the primary is _______that of secondary. Greater than Smaller than None of the listed here About the same as Greater than Smaller than None of the listed here About the same as ANSWER DOWNLOAD EXAMIANS APP
Transformers The short circuit test helps us to find Cu loss at any desire load Iron loss at no load None of the listed here Cu loss at no load Cu loss at any desire load Iron loss at no load None of the listed here Cu loss at no load ANSWER DOWNLOAD EXAMIANS APP
Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Copper loss Leakage reactance Eddy current loss Iron losses Copper loss Leakage reactance Eddy current loss Iron losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The power transformer is a constant Power device Voltage device Current device Main flux device Power device Voltage device Current device Main flux device ANSWER DOWNLOAD EXAMIANS APP