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 The no load primary current is about ______of full load primary current. 3-5% 30-40% 15-30% Above 40% 3-5% 30-40% 15-30% Above 40% ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load ratio of a 50 Hz single phase transformer is 6000/250 V. The maximum flux in the core is 0.06 Wb. What is the number of primary turns? 210 900 450 350 210 900 450 350 ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which _______ Has same number of primary and secondary turns Does not work None of the listed here Has no losses and leakage reactance Has same number of primary and secondary turns Does not work None of the listed here Has no losses and leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following 3 phase connections of transformer create disturbances in communication systems Delta/Star Star/Delta Star/Star Delta/Delta Delta/Star Star/Delta Star/Star Delta/Delta ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS