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Capacitance per length of co-axial cabel

  1. Aug 6, 2008 #1
    Find the capacitance per length of a co-axial cable with a conductor of radius a and a thin shield of
    radius b.
     
  2. jcsd
  3. Aug 6, 2008 #2

    Defennder

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    Again, what have you done so far? Think of terms of Gauss law.
     
  4. Aug 7, 2008 #3
    i got the answer 2π€/ln(b/a)

    is it correct?
     
    Last edited: Aug 7, 2008
  5. Aug 7, 2008 #4

    Defennder

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    Yep, should be.
     
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