As Shown in the Figure, Two Long Straight Wires Are

question 38

Short Answer

As shown in the figure, two long straight wires are separated by a distance of d = 0.80 m. The currents are I₁ = 2.0 A to the right in the upper wire and I₂ = 7.0 A to the left in the lower wire. What are the magnitude and direction of the magnetic field at point P, which is a distance d/2 = 0.40 m below the lower wire? (μ0 = 4π × 10^-7 T ∙ m/A)

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