Transformers In a transformer routine efficiency depends upon Power factor of load Supply frequency Load current Both power factor and load current Power factor of load Supply frequency Load current Both power factor and load current ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer oil must be free from Sludge Moisture Gases Odour Sludge Moisture Gases Odour ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because Uses inductive coupling Uses electric coupling Uses capacitive coupling A static device Uses inductive coupling Uses electric coupling Uses capacitive coupling A static device ANSWER DOWNLOAD EXAMIANS APP
Transformers Leakage flux in a transformer occurs because Air is not a good magnetic insulator Transformer is not an efficient device Applied voltage is sinusoidal Iron core has high permeability Air is not a good magnetic insulator Transformer is not an efficient device Applied voltage is sinusoidal Iron core has high permeability ANSWER DOWNLOAD EXAMIANS APP
Transformers In an auto transformer, the primary and secondary are _____ coupled. None of the listed here Magnetically as well as electrically Only electrically Only magnetically None of the listed here Magnetically as well as electrically Only electrically Only magnetically 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 0.4 5 0.2 25 0.4 5 0.2 25 ANSWER DOWNLOAD EXAMIANS APP
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