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Uneven electrode plates question

Discussion in 'General Electronics Discussion' started by 123456789a, Dec 13, 2013.

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  1. 123456789a


    Mar 2, 2013
    Hello, while I was making electrode plates for my capacitor they came off a bit uneven (0.1 centimeter off by width) would this pose a problem? The dimensions meant for the plates are (if you count the leads of the plates) 10.5 cm X 15 cm
    Last edited: Dec 14, 2013
  2. davenn

    davenn Moderator

    Sep 5, 2009
    dunno ??

    show us some pics of what you are trying to build
    else we are just guessing

  3. 123456789a


    Mar 2, 2013
    If you insist, also if anyone is wondering why it is wood is because I'm going to coat the surface with graphene (and yes I did check the conductivity of my graphene solution on a wood scrap before going on ahead with this).

    Attached Files:

  4. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    Jan 21, 2010

    Essentially the capacitance is determined by the area and how close the plates are. By area we mean the area that the plates are meshed. So it's the overlap between the +ve and -ve plates, not their entire area.

    If the plates are mismatched in size, the effect will be that the effective size is that of the overlapping area (possibly the smallest of the two assuming the aspect ratios aren't wildly different)
  5. 123456789a


    Mar 2, 2013
    Ah I see, thank you that's what I was wondering
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