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ganeshie8

what happens to capacitance of a parallel plate capacitor if we put conductor in between the plates, instead of a dielectric ? Since a conductor fully neutralizes the electric field, capacitance becomes infiniti ?

  • one year ago
  • one year ago

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  1. kmazraee
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    then the capacitance would never being charged!

    • one year ago
  2. ganeshie8
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    :P i didnt mean shorting both plates. just put a conductor slab in between.. just remove the dielectric and fill 90% of the space with conductor. its obvious that capacitance increases. how much will it increase.. since it reduces most of the potential difference... more and more charge should build up on plates right ?

    • one year ago
  3. kmazraee
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    then we have sudden discharging! between conductor and plates!

    • one year ago
  4. ganeshie8
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    can you explain how discharge happens since they are not electrically connected

    • one year ago
  5. kmazraee
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    do you know how Vandograoh works?

    • one year ago
  6. ganeshie8
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    yeah bro.. i understand vandegraph concept. but how this Q is related to vandegraph i dont understand...

    • one year ago
  7. kmazraee
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    small connection! how he capactance expire!

    • one year ago
  8. ganeshie8
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    it ionizes the air and escapes out. but still my Q is not answered.. . guess i need the equation for capacitance with conductor in between..

    • one year ago
  9. kmazraee
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    yes, plz write ure eqs in conductors!

    • one year ago
  10. ganeshie8
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    hmmm i can try.. but not sure where to start from

    • one year ago
  11. ganeshie8
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    conductor fully removes the electric field. potential difference become almost 0. and i am stuck..

    • one year ago
  12. locnguyen
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    do the conductor touch both of the plate? if not you just need to see it as two capacitor connect in series with each other, of course the distance between two plates of the capacitor will be reduced.

    • one year ago
  13. ganeshie8
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    makes good sense locnguyen... now im seeing electric field in the thin gap between one-end-of-conductor and plate.. i can start putting equations now. thanks a lot !!

    • one year ago
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