Transformers A transformer does not posses ______changing property. Voltage Impedance Current Power Voltage Impedance Current Power ANSWER DOWNLOAD EXAMIANS APP
Transformers In an auto transformer, the primary and secondary are _____ coupled. Magnetically as well as electrically Only electrically None of the listed here Only magnetically Magnetically as well as electrically Only electrically None of the listed here Only magnetically ANSWER DOWNLOAD EXAMIANS APP
Transformers If a transformer core has air gaps, then, _________ Eddy current is increased Reluctance of magnetic path is decreased Magnetising current is greatly increased Hysteresis loss is decreased Eddy current is increased Reluctance of magnetic path is decreased Magnetising current is greatly increased Hysteresis loss is decreased ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer transfers electrical energy from primary to secondary usually with a change in ______ Frequency Voltage Time period Power Frequency Voltage Time period Power 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 The maximum load that a power transformer can carry is limited by its copper loss voltage ratio dielectric strength of oil temperature rise copper loss voltage ratio dielectric strength of oil temperature rise ANSWER DOWNLOAD EXAMIANS APP