Transformers The secondary of a current transformer is always short-circuited under operating conditions because it is safe to human beings None of these protects the primary circuit avoids core saturation and high voltage induction is safe to human beings None of these protects the primary circuit avoids core saturation and high voltage induction ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer with a 110 V primary has a 15:1 turns ratio. The load resistance, RL, is 120 . What is the approximate voltage across the load? 7.3 V 880 V 88 V 73 V 7.3 V 880 V 88 V 73 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Winding resistance Iron losses Leakage reactance Copper losses Winding resistance Iron losses Leakage reactance Copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will work on Dc only None of the listed here Ac only AC as well as DC Dc only None of the listed here Ac only AC as well as DC ANSWER DOWNLOAD EXAMIANS APP
Transformers For the parallel operation of single phase transformers it is necessary that they should have same kVA rating 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 ANSWER DOWNLOAD EXAMIANS APP
Transformers A Buchholz relay can be installed on Welding transformer Auto transformer Air-cooled transformer Oil cooled transformer Welding transformer Auto transformer Air-cooled transformer Oil cooled transformer ANSWER DOWNLOAD EXAMIANS APP