Posted by **josh** on Saturday, March 24, 2012 at 5:41pm.

A rectangular loop of wire, L = 26.2 cm and W = 15.4 cm, carries a I1 = 1.83 A current and lies in a plane (d = 13.6 cm), which also contains a very long straight wire carrying a I2 = 10.5 A current.

I used this equation:

F1+F2 = mu0*I1*I2*0.262/(2pi)*(1/0.136-1/0.290)=2.57*10^-7 but this is wrong. Anyone know where I went wrong ?

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