Transformers A transformer has full load copper loss of 400 W. The copper loss at half full load will be _____. 100 W 400 W 200 W None of the listed here 100 W 400 W 200 W None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has a 1:6 turns ratio and a secondary coil load resistance of 470 . The load resistance as seen by the source is 1.3 Ω 78 Ω 7.8 Ω 13 Ω 1.3 Ω 78 Ω 7.8 Ω 13 Ω ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which _______ Has no losses and leakage reactance Has same number of primary and secondary turns Does not work None of the listed here Has no losses and leakage reactance Has same number of primary and secondary turns Does not work None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The winding of the transformer with greater number of turns will be _____ Low voltage winding Either high or low voltage winding High voltage winding None of the listed here Low voltage winding Either high or low voltage winding High voltage winding None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Power transformers are generally designed to have maximum efficiency around near full-load half-load 10% overload no-load near full-load half-load 10% overload no-load ANSWER DOWNLOAD EXAMIANS APP
Transformers An isolation transformer has primary to secondady turns ratio of 2:1 1:2 Can be any ratio 1:1 2:1 1:2 Can be any ratio 1:1 ANSWER DOWNLOAD EXAMIANS APP
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