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Equivalence principle question

  1. Sep 1, 2013 #1
    Hey, you know the way einstein said that its impossible to tell if you`re in a box that is accelerating or in a gravitational field? But, don`t accelerating charges radiate? so theoretically, by looking at these charges you could in fact tell the difference ? I dunno, maybe I`m missing something, I usually am.
  2. jcsd
  3. Sep 1, 2013 #2


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    Science Advisor

    Einstein's equivalence principle applies only locally; an accelerating charge carries an electromagnetic field which extends out globally.
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