Transformers A transformer has full load copper loss of 400 W. The copper loss at half full load will be _____. 100 W 400 W None of the listed here 200 W 100 W 400 W None of the listed here 200 W ANSWER DOWNLOAD EXAMIANS APP
Transformers The turns ratio required to match an 80 source to a 320 load is 4 80 2 20 4 80 2 20 ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because it _______ Is a static device Uses electric coupling Uses inductive coupling Uses capacitive coupling Is a static device Uses electric coupling Uses inductive coupling Uses capacitive coupling ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers upto a rating of 250 kVA 3000 kVA 1000 kVA 500 kVA 250 kVA 3000 kVA 1000 kVA 500 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers The winding of the transformer with greater number of turns will be _____ High voltage winding Either high or low voltage winding Low voltage winding None of the listed here High voltage winding Either high or low voltage winding Low voltage winding None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The power efficiency of a lightning transformer is always ______its all day efficiency. Higher than Equal to None of the listed here Less than Higher than Equal to None of the listed here Less than ANSWER DOWNLOAD EXAMIANS APP
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