Transformers No-load current of a transformer has has high magnitude and low power factor has high magnitude and high power factor has small magnitude and high power factor has small magnitude and low power factor has high magnitude and low power factor has high magnitude and high power factor has small magnitude and high power factor has small magnitude and low power factor ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer operates poorly at very low frequencies because _____ Magnetising current is abnormally high Primary reactance is too much increased None of the listed here Permeability of core is increased Magnetising current is abnormally high Primary reactance is too much increased None of the listed here Permeability of core is increased ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following insulating materials can withstand the highest temperature safely? Mica Asbestos Cellulose Glass fibre Mica Asbestos Cellulose Glass fibre ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is also called its None of the listed here Current efficiency Power efficiency Energy efficiency None of the listed here Current efficiency Power efficiency Energy efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise resulting from vibrations of laminations set by magnetic forces, is termed as Magnetostriction Hum Boo Zoom Magnetostriction Hum Boo Zoom ANSWER DOWNLOAD EXAMIANS APP
Transformers Power transformers are generally designed to have maximum efficiency around no-load 10% overload near full-load half-load no-load 10% overload near full-load half-load ANSWER DOWNLOAD EXAMIANS APP