In a 3 – ϕ, delta / star connected transformer, the ratio of phase – McqOptions

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1.	In a 3 – ϕ, delta / star connected transformer, the ratio of phase voltages (primary to secondary) is 3 : 1. Find the ratio of their line voltages?
A.	1 : 2
B.	√3 : 1
C.	3 : 1
D.	3 : 2
Answer» C. 3 : 1

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