Transformers A transformer is an efficient device because it _______ Uses electric coupling Uses inductive coupling Uses capacitive coupling Is a static device Uses electric coupling Uses inductive coupling Uses capacitive coupling Is a static device ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer oil must be free from Gases Sludge Moisture Odour Gases Sludge Moisture Odour ANSWER DOWNLOAD EXAMIANS APP
Transformers The power transformer is a constant Current device Voltage device Power device Main flux device Current device Voltage device Power device Main flux device ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers up to a rating of 500 kVA 3000 kVA 1000 kVA 250 kVA 500 kVA 3000 kVA 1000 kVA 250 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the energy is conveyed from primary to secondary through air by the flux through cooling coil None of these through air by the flux through cooling coil None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers A certain transformer has a turns ratio of 1 and a 0.85 coefficient of coupling. When 2 V ac is applied to the primary, the secondary voltage is 0.85 V 0 V 1 V 1.7 V 0.85 V 0 V 1 V 1.7 V ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS