I know that flow of electrons is not current, it is opposite to the direction of flow of electrons, is it just a convention? why such a convention was chosen if it is one. . Please correct me if you think i have very wrong assumptions.
In: Engineering
voltage is the size of the hose, current is the pressure behind it. its like having a garden hose at 20psi vs one at 220 psi. more pressure means a thicker hose, hence larger gauge wire. Think of your car battery. It’s only 12 volts but can drop 1000 amps cold power in winter. That’s why the wires are so thick. Simplest explanation, in ELI5 terms. Also, positive is the spout and the water wants to come out the negative end (the end of the hose) to return to wonderful ground.
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