Problem 8: Two very long thin straight wires running parallel to the z-axis carry currents = 2.0A (in –z-direction) and I2 = 6.4A (in +z-direction). The intersections of the wires with the x - y-plane and point P form three corners of a square, as shown in the figure below. The sidelength of the square is 16cm. Find the magnitude, B := |B|, of the net magnetic field, B, produced by I1 and I2 at P and the angle, 0 := L(B,x), enclosed between B and the positive x-direction, r. The angle O is to be stated as a positive number, if B points in a direction above the x-axis, else as a negative number. У I2 I4 У x-y-Plane View х P.

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Problem 8: Two very long thin straight wires running parallel to the z-axis carry currents
= 2.0A (in –z-direction) and I2 = 6.4A (in +z-direction). The intersections of the wires
with the x - y-plane and point P form three corners of a square, as shown in the figure
below. The sidelength of the square is 16cm.
Find the magnitude, B := |B|, of the net magnetic field, B, produced by I1 and I2 at P
and the angle, 0 := L(B,x), enclosed between B and the positive x-direction, r. The angle
O is to be stated as a positive number, if B points in a direction above the x-axis, else as a
negative number.
У
I2
I4
У
x-y-Plane View
х
P.
Transcribed Image Text:Problem 8: Two very long thin straight wires running parallel to the z-axis carry currents = 2.0A (in –z-direction) and I2 = 6.4A (in +z-direction). The intersections of the wires with the x - y-plane and point P form three corners of a square, as shown in the figure below. The sidelength of the square is 16cm. Find the magnitude, B := |B|, of the net magnetic field, B, produced by I1 and I2 at P and the angle, 0 := L(B,x), enclosed between B and the positive x-direction, r. The angle O is to be stated as a positive number, if B points in a direction above the x-axis, else as a negative number. У I2 I4 У x-y-Plane View х P.
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