Transformers The efficiencies of transformers compared with that of electric motors of the same power are much smaller about the same somewhat smaller much higher much smaller about the same somewhat smaller much higher ANSWER DOWNLOAD EXAMIANS APP
Transformers Material used for construction of transformer core is usually Wood Copper Silicon steel Aluminium Wood Copper Silicon steel Aluminium ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. Above 40% 15-30% 3-5% 30-40% Above 40% 15-30% 3-5% 30-40% ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is ______ the commercial efficiency. Less than More than None of the listed here The same as Less than More than None of the listed here The same as ANSWER DOWNLOAD EXAMIANS APP
Transformers Open circuit test on transformers is conducted to determine core losses copper losses eddy current losses hysteresis losses core losses copper losses eddy current losses hysteresis losses 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
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