Transformers A transformer has full load copper loss of 400 W. The copper loss at half full load will be _____. 400 W 100 W None of the listed here 200 W 400 W 100 W None of the listed here 200 W ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because Uses inductive coupling Uses electric coupling Uses capacitive coupling A static device Uses inductive coupling Uses electric coupling Uses capacitive coupling A static device ANSWER DOWNLOAD EXAMIANS APP
Transformers Open circuit test on transformers is conducted to determine copper losses hysteresis losses core losses eddy current losses copper losses hysteresis losses core losses eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the approximate efficiency of large transformers? 95 % 75% 85% 65% 95 % 75% 85% 65% ANSWER DOWNLOAD EXAMIANS APP
Transformers The steel used for transformer core has High permeability High silicon content Low hysteresis loss All of the listed here High permeability High silicon content Low hysteresis loss All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has 200 W as iron loss at full load. The iron loss at full load. The iron loss at half full load will be 50 W 400 W 100 W 200 W 50 W 400 W 100 W 200 W ANSWER DOWNLOAD EXAMIANS APP