Transformers The primary winding of a transformer has 110 V ac across it. What is the secondary voltage if the turns ratio is 8? 8,800 V 88 V 8.8 V 880 V 8,800 V 88 V 8.8 V 880 V ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load current of a transformer has has small magnitude and low power factor has high magnitude and low power factor has high magnitude and high power factor has small magnitude and high power factor has small magnitude and low power factor has high magnitude and low power factor has high magnitude and high power factor has small magnitude and high power factor ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a fitting on a transformer? Conservator Buchholz's relay Commutator Breather Conservator Buchholz's relay Commutator Breather ANSWER DOWNLOAD EXAMIANS APP
Transformers When secondary of a current transformer is open-circuited its iron core will be cool as there is no secondary current none of above will happen hot because primary will carry heavy current hot because of heavy iron losses taking place in it due to high flux density cool as there is no secondary current none of above will happen hot because primary will carry heavy current hot because of heavy iron losses taking place in it due to high flux density ANSWER DOWNLOAD EXAMIANS APP
Transformers To step 110 V ac down to 20 V ac, the turns ratio must be 5.5 0.018 0.18 18 5.5 0.018 0.18 18 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 0.2 5 25 0.4 0.2 5 25 0.4 ANSWER DOWNLOAD EXAMIANS APP