Transformers The highest voltage for transmitting electrical power in india is 132 kV 400 kV 33 kV 66 kV 132 kV 400 kV 33 kV 66 kV ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer operates poorly at very low frequencies because _____ Magnetising current is abnormally high None of the listed here Primary reactance is too much increased Permeability of core is increased Magnetising current is abnormally high None of the listed here Primary reactance is too much increased Permeability of core is increased ANSWER DOWNLOAD EXAMIANS APP
Transformers The approximate efficiency of a large transformer is 95% 65% 50% 80% 95% 65% 50% 80% ANSWER DOWNLOAD EXAMIANS APP
Transformers Which motor is preferred for use in mines where explosive gases exist? Induction motor Shunt motor Synchronous motor Air motor Induction motor Shunt motor Synchronous motor Air motor ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has 200 W as iron loss at full load. The iron loss at full load. The iron loss at half full load will be 100 W 200 W 50 W 400 W 100 W 200 W 50 W 400 W ANSWER DOWNLOAD EXAMIANS APP
Transformers The eddy current loss in a transformer is directly proportional to _______. Thickness of core lamination The supply frequency Square of thickness of core lamination The flux density in the core Thickness of core lamination The supply frequency Square of thickness of core lamination The flux density in the core ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS