Transformers A transformer has full load copper loss of 400 W. The copper loss at half full load will be _____. None of the listed here 200 W 400 W 100 W None of the listed here 200 W 400 W 100 W ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer with a 110 V primary has a 15:1 turns ratio. The load resistance, RL, is 120 . What is the approximate voltage across the load? 88 V 880 V 73 V 7.3 V 88 V 880 V 73 V 7.3 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer gives _______ Friction losses Copper losses Total losses Iron losses Friction losses Copper losses Total losses Iron losses ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which has no losses and magnetic leakage a common core for its primary and secondary windings core of stainless steel and winding of pure copper metal interleaved primary and secondary windings no losses and magnetic leakage a common core for its primary and secondary windings core of stainless steel and winding of pure copper metal interleaved primary and secondary windings ANSWER DOWNLOAD EXAMIANS APP
Transformers The permissible flux density in case of cold rolled grain oriented steel is around 4.7 Wb/m² 3.7 Wb/m² 1.7 Wb/m² 2.7 Wb/m² 4.7 Wb/m² 3.7 Wb/m² 1.7 Wb/m² 2.7 Wb/m² ANSWER DOWNLOAD EXAMIANS APP
Transformers The dielectric strength of transformer oil is expected to be 33 kV 100 kV 330 kV lkV 33 kV 100 kV 330 kV lkV ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS