Unformatted text preview: · m / s 2 . 5. If two very long parallel wires one meter apart carry equal currents, the current in each is de±ned to be one Ampere [A] when the force per unit length on each wire is 2 × 107 [N/m]. 6. One Coulomb [C] is the charge ²owing through a crosssectional area of a wire in one second when the current in the wire is one Ampere: C = A · s. 7. μ = 4 π × 107 N / A 2 . 8. ² = 8 . 85418782 × 1012 C 2 / (N · m 2 )....
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 Spring '11
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