Transformers The power efficiency of a lightning transformer is always ______its all day efficiency. Less than Higher than None of the listed here Equal to Less than Higher than None of the listed here Equal to ANSWER DOWNLOAD EXAMIANS APP
Transformers How many primary volts must be applied to a transformer with a turns ratio of 0.1 to obtain a secondary voltage of 9 V? 900 V 0.9 V 90 V 9 V 900 V 0.9 V 90 V 9 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test on transformers is conducted to determine core losses copper losses hysteresis losses eddy current losses core losses copper losses hysteresis losses eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding of the transformer has less cross-sectional area? Low voltage winding Primary winding High voltage winding Secondary winding Low voltage winding Primary winding High voltage winding Secondary winding ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the coefficient of coupling for a transformer in which 4% of the total flux generated in the primary does not pass through the secondary? 4 0.96 9.6 0.4 4 0.96 9.6 0.4 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
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