/diy/ - Do It Yourself

Anonymous Sun Jun 10 11:19:43 2018 No.1403590 [View]
File: 1.85 MB, 4032x1960, 20180610_111305.jpg [View same] [iqdb] [saucenao] [google]

>>1403516
I guess what I'm really trying to ask is where the electrons come from in a schematic like pic related. Are they just beinging pulled out of the ground, infinitely, due to electrostatic pressure? or is the ground supposed to be connected to the negative terminal of a power source somewhere else? How can I tell if a ground is just a copper pipe the ground or connected to an actual power source?

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/diy/ - Do It Yourself

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