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Homework Help: Electric field of Infinitely Long Cylindrical Conductor

  1. Jun 10, 2013 #1
    MODERATOR: please delete this post as I was confusing the question and posted the wrong material. Sorry!

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    Last edited: Jun 10, 2013
  2. jcsd
  3. Jun 10, 2013 #2
    It will suffice if anyone could tell me where did the dQ= kcos∅ . rdrd∅ comes from? Thanks.
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