Question: In Figure two infinitely long wires carry equal currents i. Each follows a 90? arc on the circumference of the same circle of radius R.

In Figure 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 B at the center of the circle is the same as the field B a distance R below an infinite straight wire carrying a current i to the left.

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