Transformers We can find _______of the transformer with open circuit test. Total equivalent resistance Total equivalent leakage reactance Copper losses Turn ratio Total equivalent resistance Total equivalent leakage reactance Copper losses Turn ratio ANSWER DOWNLOAD EXAMIANS APP
Transformers In a step-down transformer, there is a change of 15 A in the load current. This results in change of supply current of less than 15 A more than 15 A None of these 15 A less than 15 A more than 15 A None of these 15 A ANSWER DOWNLOAD EXAMIANS APP
Transformers In the short circuit test on a transformer, we generally short circuit ______ High voltage winding Either low or high voltage winding None of the listed here Low voltage winding High voltage winding Either low or high voltage winding None of the listed here Low voltage winding 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 (Ns-l)s (l-s)Ns s.N. Ns (Ns-l)s (l-s)Ns s.N. Ns ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is increased, the eddy current _____ Remains unchanged Is increased Is decreased None of the listed here Remains unchanged Is increased Is decreased None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because it _______ Uses inductive coupling Uses electric coupling Is a static device Uses capacitive coupling Uses inductive coupling Uses electric coupling Is a static device Uses capacitive coupling ANSWER DOWNLOAD EXAMIANS APP