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Maxwell equationsgrr

  1. Mar 5, 2005 #1
    Ampere's Law and Displacement Current...anybody?

    Determine the rate at which the electric field changes between the round plates of a capacitor, 6.0 cm in diameter, if the plates are spaced 1.3 mm apart and the voltage across them is changing at a rate of 120V/s

    I found area:

    A = 2πr2 = 2 π(.03 m)2

    = .006 m

    then do I solve for dE/dt ?
    Last edited: Mar 6, 2005
  2. jcsd
  3. Mar 6, 2005 #2
    Why do you need area to find E?
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