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As shown in the figure, two long straight wires are separated by a distance of d = 0.80 m. The currents are I1 = 7.0 A to the right in the upper wire and I2. = 2.0 A to the left in the lower wire. What is the magnitude of the magnetic field at point P, which is a distance d/2 = 0.40 m below the lower wire?

769_Two long straight wires are separated.png

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