Transformers The amount of copper in the primary is _______that of secondary. None of the listed here Smaller than About the same as Greater than None of the listed here Smaller than About the same as Greater than ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. 30-40% Above 40% 3-5% 15-30% 30-40% Above 40% 3-5% 15-30% ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer routine efficiency depends upon Power factor of load Load current Supply frequency Both power factor and load current Power factor of load Load current Supply frequency Both power factor and load current ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is also called its Power efficiency None of the listed here Current efficiency Energy efficiency Power efficiency None of the listed here Current efficiency Energy efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers Distribution transformers are generally designed for maximum efficiency around 90% load Zero load 50% load 25% load 90% load Zero load 50% load 25% load ANSWER DOWNLOAD EXAMIANS APP
Transformers A step up transformer increases Voltage Power Current Frequency Voltage Power Current Frequency ANSWER DOWNLOAD EXAMIANS APP
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