Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Copper losses Leakage reactance Winding resistance Iron losses Copper losses Leakage reactance Winding resistance Iron losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. 30-40% 15-30% Above 40% 3-5% 30-40% 15-30% Above 40% 3-5% 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 Has no losses and leakage reactance Does not work None of the listed here Has same number of primary and secondary turns Has no losses and leakage reactance Does not work None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following 3 phase connections of transformer create disturbances in communication systems Delta/Delta Star/Delta Delta/Star Star/Star Delta/Delta Star/Delta Delta/Star Star/Star ANSWER DOWNLOAD EXAMIANS APP
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