Transformers The power efficiency of a lightning transformer is always ______its all day efficiency. None of the listed here Higher than Less than Equal to None of the listed here Higher than Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
Transformers The effect of leakage flux in a transformer is to ______ None of the listed here Increase copper losses Cause voltage drop in the windings Decreases copper losses None of the listed here Increase copper losses Cause voltage drop in the windings Decreases copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following parts of a transformer is visible from outside? Primary winding Bushings Core Secondary winding Primary winding Bushings Core Secondary winding ANSWER DOWNLOAD EXAMIANS APP
Transformers An open-circuit test on a transformer is conducted primarily to measure copper loss total loss insulation resistance core loss copper loss total loss insulation resistance core loss ANSWER DOWNLOAD EXAMIANS APP
Transformers In a certain loaded transformer, the secondary voltage is one-fourth the primary voltage. The secondary current is one-fourth the primary current equal to the primary current one-fourth the primary current and equal to the primary current four times the primary current one-fourth the primary current equal to the primary current one-fourth the primary current and equal to the primary current four times the primary current ANSWER DOWNLOAD EXAMIANS APP
Transformers By laminating the core of a transformer, we decrease _____ Hysteresis loss Leakage reactance Copper loss Eddy current loss Hysteresis loss Leakage reactance Copper loss Eddy current loss ANSWER DOWNLOAD EXAMIANS APP
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