Transformers If 25 W of power are applied to the primary of an ideal transformer with a turns ratio of 10, the power delivered to the secondary load is 250 W 2.5 W 0 W 25 W 250 W 2.5 W 0 W 25 W ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary of a transformer are ______ coupled. None of the listed here Electrically and magnetically Electrically Magnetically None of the listed here Electrically and magnetically Electrically Magnetically ANSWER DOWNLOAD EXAMIANS APP
Transformers An isolation transformer has primary to secondady turns ratio of 2:1 Can be any ratio 1:2 1:1 2:1 Can be any ratio 1:2 1:1 ANSWER DOWNLOAD EXAMIANS APP
Transformers Negative voltage regulation is indicative that the load is capacitive only inductive or resistive None of these inductive only capacitive only inductive or resistive None of these inductive only ANSWER DOWNLOAD EXAMIANS APP
Transformers Losses which occur in rotating electric machines and do not occur in trans formers are hysteresis and eddy current losses magnetic losses friction and windage losses copper losses hysteresis and eddy current losses magnetic losses friction and windage losses copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. 3-5% Above 40% 15-30% 30-40% 3-5% Above 40% 15-30% 30-40% ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS