Transformers Transformer breaths in when None of these load on it increases load remains constant load on it decreases None of these load on it increases load remains constant load on it decreases ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has full load copper loss of 400 W. The copper loss at half full load will be _____. 400 W None of the listed here 200 W 100 W 400 W None of the listed here 200 W 100 W 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 48 V 0 V 0.75 V 6 V 48 V 0 V 0.75 V 6 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural air cooling is generally restricted for transformers up to 15 MVA 1.5 MVA 50 MVA 5 MVA 15 MVA 1.5 MVA 50 MVA 5 MVA ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiency of a transformer will be maximum when ______ Resistance of the two winding are equal Leakage reactance of the two winding None of the listed here Copper loss is equal to constant loss Resistance of the two winding are equal Leakage reactance of the two winding None of the listed here Copper loss is equal to constant loss ANSWER DOWNLOAD EXAMIANS APP
Transformers The voltage transformation ratio of a transformer is equal to the ratio of secondary induced e.m.f. to primary induced e.m.f. secondary current to primary current secondary terminal voltage to primary applied voltage primary turns to secondary turns secondary induced e.m.f. to primary induced e.m.f. secondary current to primary current secondary terminal voltage to primary applied voltage primary turns to secondary turns ANSWER DOWNLOAD EXAMIANS APP
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