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 The primary coil of a transformer is connected to a 60 V ac source. The secondary coil is connected to a 330 load. The turns ratio is 3:1. What is the secondary voltage? 180 V 18 V 2 V 20 V 180 V 18 V 2 V 20 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a part of transformer installation? Exciter Breather Conservator Buchholz relay Exciter Breather Conservator Buchholz relay ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following 3 phase connections of transformer create disturbances in communication systems Delta/Delta Star/Delta Delta/Star Star/Star Delta/Delta Star/Delta Delta/Star Star/Star ANSWER DOWNLOAD EXAMIANS APP
Transformers Which type of winding is used in 3phase shell-type transformer? Sandwich type Circular type Rectangular type Cylindrical type Sandwich type Circular type Rectangular type Cylindrical type ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the coefficient of coupling for a transformer in which 4% of the total flux generated in the primary does not pass through the secondary? 0.96 9.6 0.4 4 0.96 9.6 0.4 4 ANSWER DOWNLOAD EXAMIANS APP