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Is there an induced-EMF from two wires being close to each other (d = 1mm)? I'm assuming since each wire has its own magnetic field. Only in the beginning when current starts to flow and then stabilizes?

A diagram:

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  • \$\begingroup\$ Do not confuse current induction and force between current currying conductors \$\endgroup\$ – GR Tech Dec 3 '14 at 7:44
  • \$\begingroup\$ It's called magnetic induction. Change in current in one wire produces a change in mag field and this induces a voltage in the other wire. \$\endgroup\$ – Andy aka Dec 3 '14 at 8:29
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Not only yes, but any time the current in one wire changes, it will affect the other. This is the basis of crosstalk, as well as a transformer, and even a transmission line.

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