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Electric arc

  1. Jan 2, 2007 #1
    What would be the minimum direct or alternating voltage and current needed to produce an electric arc in air at a distance of one inch ?
     
  2. jcsd
  3. Jan 2, 2007 #2

    ZapperZ

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    The ballpark figure that is often quoted is of the order of 10^6 V/m. So you can scale that for whatever distance you want.

    http://hypertextbook.com/facts/2000/AliceHong.shtml

    Zz.
     
    Last edited: Jan 2, 2007
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