Two straight wires separated by a very small distance run parallel to each other, one carrying a

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Two straight wires separated by a very small distance run parallel to each other, one carrying a current of \(3.0 \mathrm{~A}\) to the right and the other carrying a current of 4. 0 A to the left. Give the approximate value for the magnitude of the magnetic field a large distance \(r\) from both wires.

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