westieluvr06
westieluvr06 westieluvr06
  • 05-08-2016
  • Physics
contestada

assuming that voltage remains constant, what happens to the current in a wire if the length of the wire increase?

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AL2006
AL2006 AL2006
  • 05-08-2016
-- You can think of every inch of wire as a resistor (with a very low resistance). 

-- When you make the wire longer, you're just adding more inches in series,
so the resistance is increasing.  That means the current is decreasing, if the
voltage between the ends of the wire is constant.
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