Problem: In the figure, the two long straight wires are separated by a distance of d = 0.40 m. The currents are I1 = 1.0 A to the right in the upper wire and I 2 = 8.0 A to the left in the lower wire. Find the magnitude and direction of the magnetic field at the center point O, and also point P, a distance d/2 = 0.20 m below the lower wire? (NOTE: μ0 = 4π x 10-7 T•m/A.)

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In the figure, the two long straight wires are separated by a distance of d = 0.40 m. The currents are I1 = 1.0 A to the right in the upper wire and I 2 = 8.0 A to the left in the lower wire. Find the magnitude and direction of the magnetic field at the center point O, and also point P, a distance d/2 = 0.20 m below the lower wire? (NOTE: μ0 = 4π x 10-7 T•m/A.)

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Our tutors have indicated that to solve this problem you will need to apply the Magnetic Field Produced by Straight Currents concept. You can view video lessons to learn Magnetic Field Produced by Straight Currents. Or if you need more Magnetic Field Produced by Straight Currents practice, you can also practice Magnetic Field Produced by Straight Currents practice problems.

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Based on our data, we think this problem is relevant for Professor Tsai's class at UCSD.