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Homework Help: Potential difference that needs to be mantained!

  1. Aug 22, 2012 #1
    Calculate the potential difference that would have to be maintained across the plates of a parallel plate apparatus, if the plates were 1.2cm spat, to create an elecric field strength of 1.5x10^4 N/C.

    i have no idea how to do this! someone please help
  2. jcsd
  3. Aug 23, 2012 #2
    I think you just need to use E=V/d (rearrange to get V) :)
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