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I3
Three long, straight wires are located at the corners of an equilateral triangle of side L = 25 cm as shown in the figure above. Iı = 6 A,
%3D
I2 = 8 A, I3 = 6 A.
a) What is the magnetic field due to I1 and I2 at the position of I3?
B = (5.6*10^-6
i+ 0.8*10^-6
j)T
b) What is the magnetic force per meter on the wire with I3?
F/l = ( 0.83*10^-6
i+ 3.36*10^-6
j)N/m

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