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Dielectrics in Capacitors

  1. Apr 24, 2009 #1
    1. A vertical parallel-plate capacitor is half filled with a dielectric for which the dielectric constant is 1.97 (Fig. P26.70a). When this capacitor is positioned horizontally, what percentage of it should be filled with the same dielectric (Fig. P26.70b) so that the two capacitors have equal capacitance?

    | | _______________
    | |
    |-+-| --------------------
    |++| ++++++++++++ one is filled standing | | while one is
    |++| -------------------- perpendicular to that

    2. Relevant equations

    I don't even know were to start...

    3. The attempt at a solution

    yup. Thanks for anything :)
     
  2. jcsd
  3. Apr 24, 2009 #2
    apparently spaces do not show
    |...|
    |||||

    vs
    _____
    _____
    -------
    `````
     
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