Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Winding resistance Iron losses Copper losses Leakage reactance Winding resistance Iron losses Copper losses Leakage reactance 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? 880 V 7.3 V 73 V 88 V 880 V 7.3 V 73 V 88 V ANSWER DOWNLOAD EXAMIANS APP
Transformers A step up transformer increases Current Frequency Voltage Power Current Frequency Voltage Power ANSWER DOWNLOAD EXAMIANS APP
Transformers We can find _______of the transformer with open circuit test. Turn ratio Copper losses Total equivalent resistance Total equivalent leakage reactance Turn ratio Copper losses Total equivalent resistance Total equivalent leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers Negative voltage regulation is indicative that the load is inductive only inductive or resistive None of these capacitive only inductive only inductive or resistive None of these capacitive only ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a transformer has 110 V ac across it. What is the secondary voltage if the turns ratio is 8? 8.8 V 880 V 8,800 V 88 V 8.8 V 880 V 8,800 V 88 V ANSWER DOWNLOAD EXAMIANS APP