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What is the differecenbetween insulator and dielectric ?

  1. Aug 28, 2012 #1
    What is the differecenbetween insulator and dielectric ????

    hello friends , please clear me the difference between them.
     
  2. jcsd
  3. Aug 28, 2012 #2

    NascentOxygen

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    Staff: Mentor

    Re: What is the differecenbetween insulator and dielectric ????

    They are both used to keep conductors apart. It's termed a dielectric where its permittivity is central to that application, as in capacitors and transmission line and coaxial cable. There are a few materials that can be used as a dielectric even though they are not good insulators, e.g., water.
     
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