Transformers Sumpner's test is conducted on transformers to determine stray losses all-day efficiency None of these temperature stray losses all-day efficiency None of these temperature ANSWER DOWNLOAD EXAMIANS APP
Transformers When a 6 V battery is connected across the primary of a transformer with a turns ratio of 8, the secondary voltage is 0 V 48 V 6 V 0.75 V 0 V 48 V 6 V 0.75 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The eddy current loss in a transformer is directly proportional to _______. The supply frequency Thickness of core lamination The flux density in the core Square of thickness of core lamination The supply frequency Thickness of core lamination The flux density in the core Square of thickness of core lamination ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer oil must be free from Gases Sludge Odour Moisture Gases Sludge Odour Moisture ANSWER DOWNLOAD EXAMIANS APP
Transformers Two things which are same for primary and secondary of transformer are ______ Currents and induced voltages None of the listed here Ampere turns and voltage per turns Resistance and leakage reactances Currents and induced voltages None of the listed here Ampere turns and voltage per turns Resistance and leakage reactances 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 5 0.2 0.4 25 5 0.2 0.4 ANSWER DOWNLOAD EXAMIANS APP
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