Transformers The open circuit test on a transformer gives _______ Friction losses Iron losses Copper losses Total losses Friction losses Iron losses Copper losses Total losses ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer does not posses ______changing property. Current Voltage Power Impedance Current Voltage Power Impedance ANSWER DOWNLOAD EXAMIANS APP
Transformers Open circuit test on transformers is conducted to determine eddy current losses hysteresis losses copper losses core losses eddy current losses hysteresis losses copper losses core losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The eddy current loss in a transformer is directly proportional to _______. Square of thickness of core lamination Thickness of core lamination The flux density in the core The supply frequency Square of thickness of core lamination Thickness of core lamination The flux density in the core The supply frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a fitting on a transformer? Commutator Conservator Breather Buchholz's relay Commutator Conservator Breather Buchholz's relay ANSWER DOWNLOAD EXAMIANS APP
Transformers If a transformer has 50 turns in the primary winding and 10 turns in the secondary winding, what is the reflective resistance if the secondary load resistance is 250 ? 62500 Ω 25 Ω 250 Ω 6250 Ω 62500 Ω 25 Ω 250 Ω 6250 Ω ANSWER DOWNLOAD EXAMIANS APP