In a compact cicrcualr coil "A" (radius R= 25cm),formed by N=150 loops of wire, flows I=10A current.
There's another compact circular coil "B" over "A"(radius r= 1.5 cm, loops n= 30) coaxial with "A" distant X ,in which i= 4A flows .
in the same direction of "I" (look at the image).
Calculate the mutual force between the two coils, and is it repulsive or attractive ?
Calculate X value when the force is Maximum.
HELP ME I DON'T KNOW HOW TO SOLVE IT.....sorry for the translation English isn't my mother tongue.
The Attempt at a Solution
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