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4) Two infinite current sheets lie parallel to the x-z plane. The upper sheet consists of n1 = 1550 wires per meter, each carrying current I1 = 3.2 A into the page (along the - 2 direction). The lower sheet consists of n2 = 1250 wires per meter, each carrying current /2 = 2.3 A out of the page (along the + z direction). Both sheets extend infinitely in the horizontal (a) direction, and are separated in the vertical y-direction. D x x X X X 1 XXXX x 2 What is the direction of the magnetic field in the region below both current sheets? O +X O -X O +y O - y O + Z O - Z the magnetic field is zero Submit Help