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 The output current corresponding to the maximum efficiency for a transformer having core loss of 200 W and equivalent resistance referred to secondary of 0.5 Ω is 15 A 10 A 20 A 5 A 15 A 10 A 20 A 5 A ANSWER DOWNLOAD EXAMIANS APP
Transformers An isolation transformer has primary to secondady turns ratio of Can be any ratio 2:1 1:2 1:1 Can be any ratio 2:1 1:2 1:1 ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the energy is conveyed from primary to secondary through cooling coil by the flux None of these through air through cooling coil by the flux None of these through air ANSWER DOWNLOAD EXAMIANS APP
Transformers The highest voltage for transmitting electrical power in india is 132 kV 33 kV 66 kV 400 kV 132 kV 33 kV 66 kV 400 kV ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test on transformers is conducted to determine core losses hysteresis losses eddy current losses copper losses core losses hysteresis losses eddy current losses copper losses ANSWER DOWNLOAD EXAMIANS APP