Transformers The power transformer is a constant Current device Main flux device Power device Voltage device Current device Main flux device Power device Voltage device ANSWER DOWNLOAD EXAMIANS APP
Transformers The effect of leakage flux in a transformer is to ______ Decreases copper losses Cause voltage drop in the windings None of the listed here Increase copper losses Decreases copper losses Cause voltage drop in the windings None of the listed here Increase copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the energy is conveyed from primary to secondary through air by the flux None of these through cooling coil through air by the flux None of these through cooling coil ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer routine efficiency depends upon Power factor of load Load current Both power factor and load current Supply frequency Power factor of load Load current Both power factor and load current Supply frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise resulting from vibrations of laminations set by magnetic forces, is termed as Boo Magnetostriction Zoom Hum Boo Magnetostriction Zoom Hum ANSWER DOWNLOAD EXAMIANS APP
Transformers A Buchholz relay can be installed on Air-cooled transformer Oil cooled transformer Welding transformer Auto transformer Air-cooled transformer Oil cooled transformer Welding transformer Auto transformer ANSWER DOWNLOAD EXAMIANS APP
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