Transformers Short circuit test of a transformer helps us to find its None of the listed here Cu loss at no load Full load cu loss Iron loss None of the listed here Cu loss at no load Full load cu loss Iron loss ANSWER DOWNLOAD EXAMIANS APP
Transformers The power efficiency of a lightning transformer is always ______its all day efficiency. Equal to None of the listed here Higher than Less than Equal to None of the listed here Higher than Less than ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual flux in a transformer remains constant at all loads because ______ Losses are small Leakage flux is small Iron core is used Applied voltage and frequency are constant Losses are small Leakage flux is small Iron core is used Applied voltage and frequency are constant ANSWER DOWNLOAD EXAMIANS APP
Transformers The effect of leakage flux in a transformer is to ______ 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 Decreases copper losses Increase copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Two things which are same for primary and secondary of transformer are ______ None of the listed here Resistance and leakage reactances Ampere turns and voltage per turns Currents and induced voltages None of the listed here Resistance and leakage reactances Ampere turns and voltage per turns Currents and induced voltages ANSWER DOWNLOAD EXAMIANS APP
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