Transformers The effect of leakage flux in a transformer is to ______ Increase copper losses None of the listed here Cause voltage drop in the windings Decreases copper losses Increase copper losses None of the listed here Cause voltage drop in the windings Decreases copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers In an auto transformer, the primary and secondary are _____ coupled. Only electrically Only magnetically None of the listed here Magnetically as well as electrically Only electrically Only magnetically None of the listed here Magnetically as well as electrically ANSWER DOWNLOAD EXAMIANS APP
Transformers How are transformers generally cooled for installations rated at less than 5kVA ? Water cooled Oil cooled None of the listed here Air cooled Water cooled Oil cooled None of the listed here Air cooled ANSWER DOWNLOAD EXAMIANS APP
Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Leakage reactance Eddy current loss Iron losses Copper loss Leakage reactance Eddy current loss Iron losses Copper loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Losses which occur in rotating electric machines and do not occur in trans formers are copper losses friction and windage losses hysteresis and eddy current losses magnetic losses copper losses friction and windage losses hysteresis and eddy current losses magnetic losses ANSWER DOWNLOAD EXAMIANS APP
Transformers When a 6 V battery is connected across the primary of a transformer with a turns ratio of 8, the secondary voltage is 6 V 48 V 0.75 V 0 V 6 V 48 V 0.75 V 0 V ANSWER DOWNLOAD EXAMIANS APP
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