Transformers When the turns ratio of a transformer is 20 and the primary ac voltage is 12 V, the secondary voltage is 240 V 2,400 V 12 V 120 V 240 V 2,400 V 12 V 120 V ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because Uses inductive coupling A static device Uses capacitive coupling Uses electric coupling Uses inductive coupling A static device Uses capacitive coupling Uses electric coupling ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will work on Ac only AC as well as DC None of the listed here Dc only Ac only AC as well as DC None of the listed here Dc only ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is also called its Power efficiency None of the listed here Current efficiency Energy efficiency Power efficiency None of the listed here Current efficiency Energy efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer breaths in when load on it decreases load remains constant None of these load on it increases load on it decreases load remains constant None of these load on it increases ANSWER DOWNLOAD EXAMIANS APP
Transformers A certain transformer has 400 turns in the primary winding and 2,000 turns in the secondary winding. The turns ratio is 0.4 25 0.2 5 0.4 25 0.2 5 ANSWER DOWNLOAD EXAMIANS APP
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