In Fig. 29-83, two infinitely long wires carry equal
Chapter , Problem 77(choose chapter or problem)
In Fig. 29-83, two infinitely long wires carry equal currents i. Each follows a 90 arc on the circumference of the same circle of radius R. Show that the magnetic field at the center of the circle is the same as the field a distance R below an infinite straight wire carrying a current i to the left.
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