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Electric potentail

  1. Apr 8, 2015 #1
    frdahgsbzhbnmnmzmzmmmmmmmmm.png Is this true i dont think it is frdahgsbzhbnmnmzmzmmmmmmmmm.png
     
  2. jcsd
  3. Apr 8, 2015 #2
  4. Apr 8, 2015 #3
    I think second is true
     
  5. Apr 8, 2015 #4
    You mean using r insted of R?
     
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