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Electric Field Strength

  1. Dec 5, 2007 #1
    Well I have this lab on electric field lab and what I did was measure the voltage from different distances on a parallel plate. So when I plotted the graph Voltae vs. Distance, I got a linear line and the equation was y = 85x (somewhat like that disregarding the y-intercept). My concern is what does the constant/slope represent? I'm really stumpped. Thanks

    2. y = 85x

    3. I think it is the electric field strength or electric potential?
  2. jcsd
  3. Dec 5, 2007 #2


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    A graph of V against d....
    the gradient would be V/d which is the definition of electric field strength for parallel plates
  4. Dec 6, 2007 #3
    yea e = v/r . V/r is the slope of your graph, 85.
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