Transformers The steel used for transformer core has High permeability Low hysteresis loss High silicon content All of the listed here High permeability Low hysteresis loss High silicon content All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers A step up transformer increases Frequency Voltage Power Current Frequency Voltage Power Current ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load on a transformer is carried out to determine magnetising current magnetising current and loss efficiency of the transformer copper loss magnetising current magnetising current and loss efficiency of the transformer copper loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following property is not necessarily desirable in the material for transformer core? Mechanical strength Low hysteresis loss High thermal conductivity High permeability Mechanical strength Low hysteresis loss High thermal conductivity High permeability ANSWER DOWNLOAD EXAMIANS APP
Transformers When the turns ratio of a transformer is 20 and the primary ac voltage is 12 V, the secondary voltage is 12 V 2,400 V 120 V 240 V 12 V 2,400 V 120 V 240 V 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 1.7 V 1 V 0 V 0.85 V 1.7 V 1 V 0 V ANSWER DOWNLOAD EXAMIANS APP