Two large conducting planes perpendicular to X-axis are placed at (d.0) and (2d, 0) as shown in the figure. Current per unit width in both the planes is same and current is flowing in the outward direction. The variation of magnetic field as function of x(0 le x le 3d)is best represented by

Two large conducting planes perpendicular to X-axis are placed at (d.0

1.	Two large conducting planes perpendicular to X-axis are placed at (d.0) and (2d, 0) as shown in the figure. Current per unit width in both the planes is same and current is flowing in the outward direction. The variation of magnetic field as function of x(0 le x le 3d)is best represented by
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Two large conducting planes perpendicular to X-axis are placed at (d.0) and (2d, 0) as shown in the figure. Current per unit width in both the planes is same and current is flowing in the outward direction. The variation of magnetic field as function of x(0 le x le 3d)is best represented by

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