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## Homework Statement

Prove that for a line having resistance R, and reactance X, and supplying load of P+jQ has an approximate voltage drop of:

Vr = [RP+XQ]/Vs

## Homework Equations

none given.

## The Attempt at a Solution

I made a diagram, with R, X, and P+jQ in series. Vr is the potential drop across the load, and Vs is the supplying voltage. I've tried every method, but it doesn't turn out to be the given answer. I've covered two pages worth of pointless calculations, and it just doesn't seem to work out.

help me as soon as possible.

thanks :)

-peace

stickman!