Transformers Which of the following property is not necessarily desirable in the material for transformer core? Low hysteresis loss High permeability Mechanical strength High thermal conductivity Low hysteresis loss High permeability Mechanical strength High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Leakage reactance Winding resistance Iron losses Copper losses Leakage reactance Winding resistance Iron losses Copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test on transformers is conducted to determine hysteresis losses eddy current losses copper losses core losses hysteresis losses eddy current losses copper losses core losses ANSWER DOWNLOAD EXAMIANS APP
Transformers In a certain loaded transformer, the secondary voltage is one-fourth the primary voltage. The secondary current is equal to the primary current one-fourth the primary current four times the primary current one-fourth the primary current and equal to the primary current equal to the primary current one-fourth the primary current four times the primary current one-fourth the primary current and equal to the primary current ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual inductance when k = 0.65, L1 = 2 H, and L2 = 5 H is 2 μH 2 mH 4 μH 8 μH 2 μH 2 mH 4 μH 8 μH ANSWER DOWNLOAD EXAMIANS APP
Transformers In an auto transformer, the primary and secondary are _____ coupled. None of the listed here Only magnetically Only electrically Magnetically as well as electrically None of the listed here Only magnetically Only electrically Magnetically as well as electrically ANSWER DOWNLOAD EXAMIANS APP
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