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Electrical noise ( I mean sound waves )

  1. Sep 15, 2013 #1
    Hello physicsforums. What causes noise in electrical cables and/or transformers and/or electrical stations ? By noise I mean mechanical sound waves like bzzzzzzzz, not signal noise. And what is the proper way to search in google for this, I could not find a wikipedia article on this.
  2. jcsd
  3. Sep 15, 2013 #2


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    Staff: Mentor

  4. Sep 16, 2013 #3
    thanks !
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