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  1. B

    Is this right?, conservation of energy!

    what do you mean keep going in the -x direction? why do you think it was going in the -x direction in the first place?
  2. B

    Electric field inside a parallel plate capacitor

    Ohh okay, that's what I was missing. Thanks a lot!
  3. B

    Electric field inside a parallel plate capacitor

    Okay but doesn't that mean the electric field inside that pillbox is zero? I am just getting confused because when you have a charged spherical shell, the field inside is zero because there is no charge.
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    Electric field inside a parallel plate capacitor

    Ok I took E&M about 3 years ago and decided I needed to review it. I'm up to gauss' law and am getting confused about one thing. If you have two infinitely long oppositely charged plates, solving for the total e field inside is done by making two gaussian surfaces that enclose each plate. Doing...
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