hw7.5 - HW 7.5 Given: F i n d : A i 2 1 ? ) ( x A B cm a 3...

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Unformatted text preview: HW 7.5 Given: F i n d : A i 2 1 ? ) ( x A B cm a 3 ? ) ( y A B ? ) ( A i 4 2 z A B A i 6 3 ? ) ( x B B ? ) ( y B B ? ) ( z B B ? ) ( x C B ? ) ( y C B ? ) ( z C B ? / dz dF ? direction Two infinite wires run parallel to the z-axis, which points out of the page. One wire carries a current I 1 = 2 A and intersects the x-axis at x = a = 3 cm. The second wire carries current I 2 = 4 A and intersects the x-axis at x = - a . Both currents flow in the + z direction. The third current I 3 shown in the figure does not exist until part (d) of this problem. (a) Calculate the net magnetic field due to I 1 and I 2 at Point A (the origin). (b) Calculate the net magnetic field due to I 1 and I 2 at Point B a distance a above the origin on the y-axis. (c) Calculate the net magnetic field due to I 1 and I 2 at Point C a distance 2 a to the right of the origin on the x-axis....
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hw7.5 - HW 7.5 Given: F i n d : A i 2 1 ? ) ( x A B cm a 3...

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