1) What is F y (1), the y-component of the force exerted on a one meter length o

Question

1) What is Fy(1), the y-component of the force exerted on a one meter length of the wire carrying current I1?

What is Fx(2), the x-component of the force exerted on a one meter length of the wire carrying current I2?

Three infinite straight wires are fixed in place and aligned parallel to the z-axis as shown. The wire at (x,y) (-22.5 cm, 0) carries current l1 3.9 A in the negative z direction. The wire at (x,y) (22.5 cm, 0) carries current l2 0.9 A in the positive z direction. The wire at (x,y) (0, 39 cm) carries current l3- 5.5 A in the positive z direction AY IN

Explanation / Answer

B1x = uo*I3*cos30/2pi*d

Fy(1) = -uo*I3*I1*cos30/2pi*d

d= 2 * 0.225 m

Fy(1) = -8.256 x 10^-6 N

part b )

By(2) = uo*I3*sin30/2pi*d - uo*i1/2pid

Fx(2) = (uo*I2/2pid) *(I1-I3*sin30)

Fx(2) = 4.6 x 10^-7 N

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