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 A transformer will work on None of the listed here Dc only AC as well as DC Ac only None of the listed here Dc only AC as well as DC Ac only ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because it _______ Uses capacitive coupling Uses inductive coupling Is a static device Uses electric coupling Uses capacitive coupling Uses inductive coupling Is a static device Uses electric coupling ANSWER DOWNLOAD EXAMIANS APP
Transformers The effect of leakage flux in a transformer is to ______ Decreases copper losses Increase copper losses Cause voltage drop in the windings None of the listed here Decreases copper losses Increase copper losses Cause voltage drop in the windings None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers A tap changer is used on a transformer for Adjustment in both primary and secondary Adjustment in primary voltage Adjustments in secondary voltage None of the listed here Adjustment in both primary and secondary Adjustment in primary voltage Adjustments in secondary voltage None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary coil of a transformer is connected to a 60 V ac source. The secondary coil is connected to a 330 load. The turns ratio is 3:1. What is the secondary voltage? 20 V 2 V 18 V 180 V 20 V 2 V 18 V 180 V ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS