Yes, this is a general principle. Short, fat coils have more layers than thinner, longer coils with a similar number of turns. This keeps inner and outer windings farther apart thus reducing distributed capacitance.Is a tall, thin coil conducive to capacitance, while a short, fat coil is not?
Last edited by Helmholtz; 05-18-2018 at 04:15 PM.
Yes, it can be shown that the partial capacitances between adjacent turns having larger voltage difference contribute most. The direct neighboring turns within the same layer almost have the same voltage, so their contribution is small. The contribution of the capacitances between neighboring layers is much stronger.So greater distances between portions of coil lowers capacitance; a tall, thin coil also puts a lot of distance between the top-most and bottom-most winds, so are you saying that you get less capacitance with the short-flat coil because the starting winds and the ending winds are set farther apart, as opposed to placing the winds-per-layer farther apart?
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