A single phase transformer has primary to secondary turns ratio of ___

A single phase transformer has primary to secondary turns ratio of 20.

Three such transformers are used for three-to-six phase conversion by double-star method.

If the output line voltage is 400 V, then the primary line voltage is

A. 8 kV
B. 16 kV
C. 12 kV
D. 20 kV

Show Answer

Answer: A

Share your understanding of this question with the correct explanation.