My team and I were running a experiment on a self made electrolytic capacitor, made by aluminium foil, baking soda in water and some tissue papersAnd well we don't really have much knowledge on capacitor, so am here to ask for some awesome explanation DIn our experiment, we are making the concentration of baking powder in water as the variable.Does the concentration of baking soda affect the capacitance? When we did our experiment the reading on a multimeter seems strange with 2.51microFarad in 20g/1000ml and 40g/1000ml with a reading of 5.31 microFarad.Need some help here to clarify things gt;_lt;So is electrolytic capacitor a dielectric?If so does that means that increase in concentration of Baking soda will increase the capacitance because the K value increase O.OAbit confused with my own experiment, been trying hard to seek some explanation from the internet but end up with nothing gt;lt; help pls thanksssss in advance D
The dielectric material in an electrolytic capacitor is aluminum oxideThe electrolyte merely serves to create a thin layer of aluminum oxide on the foilWhat governs the capacitance is the way in which you form the capacitor, by applying a steady DC voltageA higher voltage will give a lower capacitanceWait until the current has dropped to a couple of microampsThe concentration of baking soda will govern this forming timeSo you want a graph of capacitance versus voltage, and another of forming time versus concentrationMake a careful not of the temperature, of course.
