Transformers Sumpner's test is conducted on transformer to determine Stray losses None of the listed here Temperature All day efficiency Stray losses None of the listed here Temperature All day efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers A certain transformer has 400 turns in the primary winding and 2,000 turns in the secondary winding. The turns ratio is 25 0.2 0.4 5 25 0.2 0.4 5 ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. 15-30% 30-40% Above 40% 3-5% 15-30% 30-40% Above 40% 3-5% ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the resistance between its primary and secondary is 1000 ohms Zero Infinite 1 ohm 1000 ohms Zero Infinite 1 ohm ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following property is not necessarily desirable in the material for transformer core? High permeability Mechanical strength Low hysteresis loss High thermal conductivity High permeability Mechanical strength Low hysteresis loss High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Transformers The amount of copper in the primary is _______that of secondary. None of the listed here Smaller than Greater than About the same as None of the listed here Smaller than Greater than About the same as ANSWER DOWNLOAD EXAMIANS APP
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