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Results tagged with Search options user 99567

The ability of an object to store electric charge.

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move out into the circuit, I don't see a way for the ions to move out into the circuit.. so how can their presence do anything for capacitance? …
asked Nov 19 '16 by user273872
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Capacitance is proportional area, and inversely proportional to gap distance. I've read all over the internet that you need to make capacitors have as small a gap distance as possible, but I wonder … another gram, adding another mm but bringing my surface area up to 6 thou?? I just found this research paper and in the results and discussion part I found this: "The capacitance trend depicted in fig 4.3 …
asked Jan 26 '17 by user273872
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Can you measure capacitance or is it inferred from other means? For example measuring voltage and discharging and measuring again.. I looked up the equation c=q/v and realized there being a q value you can't just use the voltage so now I'm thinking my proposed method wouldn't even work. …
asked Nov 21 '16 by user273872
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Cause I found out that you can calculate the capacitance by t=rc (time constant equals resistance times capacitance). But where I got confused was the charging source. Intuitively I would think if …
asked Feb 9 '17 by user273872
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I found an answer: Blockquote For asymmetric capacitors, the total capacitance can be taken as that of the electrode with the smaller capacitance (if C1 >> C2, then Ctotal ≈ C2). https://en.wikipedia.org/wiki/Supercapacitor#Capacitance_distribution …
answered Sep 12 '16 by user273872
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How would you calculate the capacitance of a capacitor when one plate is a plain flat metallic conductor but the other has increased surface area e.g. because it was enhanced it with activated carbon … ? I think if you added the higher surface area layer to both sides of ceramic then both plates would have the same surface area and you could approximate the capacitance as if they were parallel …
asked Sep 8 '16 by user273872