Unformatted text preview: ┬Ě 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 ├Ś 10-7 [N/m]. 6. One Coulomb [C] is the charge ┬▓owing through a cross-sectional area of a wire in one second when the current in the wire is one Ampere: C = A ┬Ě s. 7. ╬╝ = 4 ¤Ç ├Ś 10-7 N / A 2 . 8. ┬▓ = 8 . 85418782 ├Ś 10-12 C 2 / (N ┬Ě m 2 )....
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