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Comparing sound waves to waves in a Coaxial Cable aka T.E.M.

  1. Dec 9, 2008 #1
    1. The problem statement, all variables and given/known data

    Compare sound waves to waves in coaxial cables a.k.a. T.E.M.

    I really have no idea how to answer this question. I've been researching and researching, and so far i can't find any information about WAVES for coaxial cables. Any help?

    Thanks.


    2. Relevant equations



    3. The attempt at a solution

    :eek:
     
  2. jcsd
  3. Dec 10, 2008 #2

    turin

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    Let's start with:

    What does the "T" in "TEM" stand for? For that matter, the "EM" is another difference.
     
  4. Dec 11, 2008 #3
    The T means Transverse am i correct?
     
  5. Dec 12, 2008 #4

    turin

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    Yes. Can you think of a reason why this is different than a sound wave? Well, actually, that is a little bit more complicated, but I don't want to confuse you. Let's just assume sound in a fluid, like air.
     
  6. Dec 12, 2008 #5
    I know that air is trapped between the inner and outer conductor, but what i don't know is how their waves are different... I might not be descriptive enough, let me know if im not.
     
  7. Dec 12, 2008 #6

    turin

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    No, it's not. (at least, not for a good quality one.) Probably, they are asking about a sound wave in the air (not in the coax), and then to compare this to the kinds of wave in a coax that are TEM.
     
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