Transformers The primary winding of a transformer has 110 V ac across it. What is the secondary voltage if the turns ratio is 8? 880 V 8,800 V 8.8 V 88 V 880 V 8,800 V 8.8 V 88 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Leakage reactance Iron losses Winding resistance Copper losses Leakage reactance Iron losses Winding resistance Copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following parts of a transformer is visible from outside? Primary winding Bushings Secondary winding Core Primary winding Bushings Secondary winding Core ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer gives _______ Total losses Copper losses Iron losses Friction losses Total losses Copper losses Iron losses Friction losses ANSWER DOWNLOAD EXAMIANS APP
Transformers To step 110 V ac down to 20 V ac, the turns ratio must be 18 5.5 0.018 0.18 18 5.5 0.018 0.18 ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load on a transformer is carried out to determine magnetising current copper loss efficiency of the transformer magnetising current and loss magnetising current copper loss efficiency of the transformer magnetising current and loss ANSWER DOWNLOAD EXAMIANS APP
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