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![[Post New]](/templates/default/images/icon_minipost_new.gif) 18 Sep 2008 17:11:21 IST
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How to find the effective capacitance of a capacitor having many parallel plates as shown ?
Take surface area of each plate = A
AB=CD=EF=2d
BC=DE=d
(edited: P and Q are connected to the battery)
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18 Sep 2008 19:20:18 IST
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from where does current enter and exit???
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size doesnt matter, brains do...
vignesh |
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18 Sep 2008 19:47:39 IST
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you assume that the current A and F are connected with a source of current. It is very difficult to explain how to draw the circuit.
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Let capacitance of system with seperation 2d be C so for system with a seperation of d is 2C. In that case circuit from P to Q is
(C and 2C in parallel) in series with (C) in series with ( C and 2C in parallel)
So 1/Ceq = 1/3C +1/C+1/3C
So answer is 0.6C
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Krishna Gopal Singh
B.Tech Chemical Engg
IIT Delhi 2002
Currently doing PhD from IIT Delhi |
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