Two long,parallel wires are spaced 1 m apart in air,and you have established a current of 1 A in each.The force per unit length that each wire exerts on the other is approximately A)2 $\times$ 10^-6 N/m B)2 $\times$ 10^-5 N/m C)2 $\times$ 10^-7 N/m D)2$\pi$ $\times$ 10^-5 N/m E)2$\pi$ $\times$ 10^-6 N/m

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The Answer of Two long,parallel wires are spaced 1 m apart in air,and you have established a current of 1 A in each.The force per unit length that each wire exerts on the other is approximately A)2 $\times$ 10^-6 N/m B)2 $\times$ 10^-5 N/m C)2 $\times$ 10^-7 N/m D)2$\pi$ $\times$ 10^-5 N/m E)2$\pi$ $\times$ 10^-6 N/m

Two Long,parallel Wires Are Spaced 1 M Apart in Air,and ×\times×

Two Long,parallel Wires Are Spaced 1 M Apart in Air,and $\times$