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## Homework Statement

Starting from the expression of the Delta-Y resistor transformation work out the conductance transformation equation.

## Homework Equations

3. The Attempt at a Solution [/B]

I will just be using one equation as others are done analogically. My Δ has ##(R_{12},R_{23},R_{13})## and my

γ has ##(R_1,R_2,R_3)##.

The first equation of transformation goes:

##R_1=\frac{R_{12}*R_{31}}{R_{12}+R_{23}+R_{13}}##

When i use that ##R=\frac{1}{G}## i get that

##G_1=\frac{G_{12}+G_{23}+G_{31}}{G_{23}}## which is not what they get. They get the same equation you get for Y-Delta transformation except for R u write G. ow did they get to that? I used a logical move and it cant get that way. What am i missing?