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Since diodes emit light(led) and they are also used to convert ac to dc

  1. Nov 24, 2012 #1
    Are they shining brightly inside the device when used to convert ac?
  2. jcsd
  3. Nov 24, 2012 #2


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    Gold Member

    All diodes do not emit light, only the type called "light emitting diodes" do. Visit this Wikipedia page and find a description of at least EIGHT different types of diodes:


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