Transformers The flux in the core of a single phase transformer is _____ Partly alternating and partly rotating Purely alternating one None of the listed here Purely rotating one Partly alternating and partly rotating Purely alternating one None of the listed here Purely rotating one ANSWER DOWNLOAD EXAMIANS APP
Transformers Harmonics in transformer result in increased core losses increased I2R losses All of the listed here magnetic interference with communication circuits increased core losses increased I2R losses All of the listed here magnetic interference with communication circuits ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will have zero efficiency at Full load No load None of the listed here Half full load Full load No load None of the listed here Half full load ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum load that a power transformer can carry is limited by its temperature rise dielectric strength of oil voltage ratio copper loss temperature rise dielectric strength of oil voltage ratio copper loss 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 2,400 V 240 V 12 V 120 V 2,400 V 240 V 12 V 120 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following 3 phase connections of transformer create disturbances in communication systems Star/Star Delta/Delta Delta/Star Star/Delta Star/Star Delta/Delta Delta/Star Star/Delta ANSWER DOWNLOAD EXAMIANS APP