I’ve been doing much research the last couple of days about electricity. I have a pretty good understanding of Watts, Joules, Coulombs, Amperes, Ohms, and I know Ohms law finding voltage and all and I understand that Volts measure the electric potential between to points on a circuit and that Volts are the “pressure” force that push the electrons through the circuit.
What I can’t seem to understand is how to know what creates that “pressure.” Is it based on how many free electrons are on one side of the lightbulb, for example, compared to the other? Can you create more voltage by loading more electrons into one side?
I understand there isn’t a simple answer to this question so posting any article links or video links would be what I am looking for.