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2 votes
3 answers
573 views

Formula for calculating capacitor balance resistor values

The following formula is generally used for calculating balance resistor values used for overvoltage protection of capacitors in series when the individual capacitor voltage ratings are below the ...
Duke William's user avatar
5 votes
2 answers
805 views

Voltage drop due to leakage current in capacitors in series

When capacitors are connected in series in a DC circuit, the voltage drop across individual capacitors at and immediately after the initial charging period is inversely proportional to the individual ...
Duke William's user avatar
2 votes
1 answer
500 views

Is it possible to determine capacity and voltage rating of an unknown electrolytic capacitor?

Today I found a big electrolytic capacitor in a scrap yard. It is about 9 cm in diameter and 16 cm high. The only thing that is marked on it is polarity but nothing else. How can I measure its ...
Petrstep's user avatar
  • 135
8 votes
2 answers
12k views

Why does an ideal capacitor give rise to a rectangular cyclic voltammogram (CV)?

Many scientists are interested in developing supercapacitors, which have electrolyte rather than solid dielectric between the charged plates. In the field of electrochemistry, cyclic voltammetry (CV) ...
Andrew's user avatar
  • 175