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What is a linear dielectric?

  1. Apr 23, 2010 #1
    can someone please tell me what a linear dielectric is, in words?

    thanks
     
  2. jcsd
  3. Apr 23, 2010 #2

    clem

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    Science Advisor

    One in which D is proportional to E.
     
  4. Apr 23, 2010 #3
    In a linear dielectric the electric dipolar moment per unit volume (modulus of vector P) has a linear dependence on the electric field E
     
  5. Apr 23, 2010 #4
    thanks for that!! could you give me an example of a dielectric which is linear, and one which is not please?
     
  6. Apr 23, 2010 #5
    Glass is mostly linear whilst barium titanate is highly non-linear
     
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