Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Copper loss Iron losses Eddy current loss Leakage reactance Copper loss Iron losses Eddy current loss Leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers In Ns is the synchronous speed and s the slip, then actual running speed of an induction motor will be (l-s)Ns Ns (Ns-l)s s.N. (l-s)Ns Ns (Ns-l)s s.N. ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is the main advantage of an auto-transformer over a two winding transformer? Saving in winding material Eddy losses are totally eliminated Hysteresis losses are reduced Copper losses are negligible Saving in winding material Eddy losses are totally eliminated Hysteresis losses are reduced Copper losses are negligible ANSWER DOWNLOAD EXAMIANS APP
Transformers A step up transformer increases Frequency Voltage Power Current Frequency Voltage Power Current ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following 3 phase connections of transformer create disturbances in communication systems Star/Star Star/Delta Delta/Delta Delta/Star Star/Star Star/Delta Delta/Delta Delta/Star ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is ______ the commercial efficiency. Less than More than None of the listed here The same as Less than More than None of the listed here The same as ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS