Transformers The path of the magnetic flux in transformer should have low reactance high resistance high reluctance low resistance low reactance high resistance high reluctance low resistance ANSWER DOWNLOAD EXAMIANS APP
Transformers Two things which are same for primary and secondary of transformer are ______ Resistance and leakage reactances Ampere turns and voltage per turns None of the listed here Currents and induced voltages Resistance and leakage reactances Ampere turns and voltage per turns None of the listed here Currents and induced voltages ANSWER DOWNLOAD EXAMIANS APP
Transformers The turns ratio required to match an 80 source to a 320 load is 20 2 4 80 20 2 4 80 ANSWER DOWNLOAD EXAMIANS APP
Transformers The approximate efficiency of a large transformer is 65% 95% 50% 80% 65% 95% 50% 80% ANSWER DOWNLOAD EXAMIANS APP
Transformers The main reason for generation of harmonics in a transformer could be fluctuating load poor insulation saturation of core mechanical vibrations fluctuating load poor insulation saturation of core mechanical vibrations ANSWER DOWNLOAD EXAMIANS APP
Transformers When the turns ratio of a transformer is 20 and the primary ac voltage is 12 V, the secondary voltage is 2,400 V 120 V 240 V 12 V 2,400 V 120 V 240 V 12 V ANSWER DOWNLOAD EXAMIANS APP