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Finding capacitance per unit length

  1. Oct 13, 2009 #1
    1. The problem statement, all variables and given/known data

    You are planning to install a home video studio. A very important piece of information is missing from the specifications. You must find the capacitance per unit length for a coaxial cable. The cable has an inner radius of 2.0mm and an outer conductor 4.0mm in radius separated by polyethylene insulation that acts as a dielectric, with it equaling to 2.3.

    What's the capacitance per unit length?

    The dielectric is 2.3 according to my book.

    I am not sure how the setup for this problem should be.
     
  2. jcsd
  3. Oct 14, 2009 #2

    Mark44

    Staff: Mentor

    You omitted the section about relevant formulas and equations. Do you have any formula for the capacitance of a coax conductor?
     
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