Transformers The principle of working of transformer is Mutual induction Self induction Static induction Dynamic induction Mutual induction Self induction Static induction Dynamic induction ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is increased, the eddy current _____ Is decreased None of the listed here Is increased Remains unchanged Is decreased None of the listed here Is increased Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer gives _______ Copper losses Total losses Iron losses Friction losses Copper losses Total losses Iron losses Friction losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary of a transformer are ______ coupled. Electrically and magnetically Magnetically None of the listed here Electrically Electrically and magnetically Magnetically None of the listed here Electrically ANSWER DOWNLOAD EXAMIANS APP
Transformers We can find _______of the transformer with open circuit test. Turn ratio Total equivalent resistance Total equivalent leakage reactance Copper losses Turn ratio Total equivalent resistance Total equivalent leakage reactance Copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The output current corresponding to the maximum efficiency for a transformer having core loss of 200 W and equivalent resistance referred to secondary of 0.5 Ω is 10 A 20 A 15 A 5 A 10 A 20 A 15 A 5 A ANSWER DOWNLOAD EXAMIANS APP