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## Homework Statement

How far from a wire with a current of 5.0A is a second parallel wire with current 10A if force between them is [tex]3.6x10^{-4} N[/tex]?

## Homework Equations

i think [tex]\frac{F}{L}=\left(\frac{u_o}{2\pi}\right)\left(\frac{I_{1}I_{2}}{s}\right)[/tex]

## The Attempt at a Solution

i think this just a simple plug and chug question, but is [tex]\frac{F}{L}[/tex] equal to [tex]3.6x10^{-4} N[/tex]? whats the L for?