Gate 2016 EE – Set 2 – Question 51

$$\frac{I_{ph}\Delta }{I_{ph}Y}$$=$$\frac{V_{ph}Y}{V_{ph}\Delta }$$

$$\Rightarrow \frac{\frac{11}{\sqrt{3}}}{110}\Rightarrow \frac{\frac{1}{\sqrt{3}}}{10}=\frac{1}{10\sqrt{3}}\Rightarrow 1:10\sqrt{3}$$