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A wire with current i = 4.38 A is shown in the figure. Two semi-infinite straight sections, both tangent to the same circle with radius
6.97 cm, are connected by a circular arc that has a central angle 0 and runs along the circumference of the circle. The connecting arc
and the two straight sections all lie in the same plane. If B = 0 at the center of the circle, what is 8?
Number
Units
Connecting are

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