Transformers Two things which are same for primary and secondary of transformer are ______ None of the listed here Ampere turns and voltage per turns Resistance and leakage reactances Currents and induced voltages None of the listed here Ampere turns and voltage per turns Resistance and leakage reactances Currents and induced voltages ANSWER DOWNLOAD EXAMIANS APP
Transformers The effect of leakage flux in a transformer is to ______ Increase copper losses None of the listed here Decreases copper losses Cause voltage drop in the windings Increase copper losses None of the listed here Decreases copper losses Cause voltage drop in the windings ANSWER DOWNLOAD EXAMIANS APP
Transformers In a certain transformer, the input power to the primary is 120 W. If 8.5 W are lost to the winding resistance, what is the output power to the load, neglecting any other issues? 0 W 111.5 W 14.1 W 1,020 W 0 W 111.5 W 14.1 W 1,020 W ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise produced by a transformer is termed as zoom ringing buzz hum zoom ringing buzz hum ANSWER DOWNLOAD EXAMIANS APP
Transformers A tap changer is used on a transformer for Adjustment in both primary and secondary Adjustments in secondary voltage Adjustment in primary voltage None of the listed here Adjustment in both primary and secondary Adjustments in secondary voltage Adjustment in primary voltage None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The approximate efficiency of a large transformer is 50% 65% 80% 95% 50% 65% 80% 95% ANSWER DOWNLOAD EXAMIANS APP
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