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As Shown in the Figure,two Long Straight Wires Are Separated

Question 1346

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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 = 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) As shown in the figure,two long straight wires are separated by a distance of d = 0.80 m.The currents are I<sub>1</sub> = 2.0 A to the right in the upper wire and I<sub>2</sub> = 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? (μ<sub>0</sub> = 4π × 10<sup>-7</sup> T • m/A)

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B = 3.2 × 10-6 T
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