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