This popular article was originally published in the Jan. 16, 2019, issue of Radio World and Jan. 24, here at the website. Understanding electronics and electronic troubleshooting starts with knowing ...

- a unit of electrical resistance equal to the resistance between two points on a conductor when a potential difference of one volt between them produces a current of one ampere ...

I'm planning an in-ceiling speaker installation. The total length of the run will be about 100 feet from speaker to volume knob to speaker selector. I bought a spool of 16AWG wire, but good ol' ...