Every student in physics and electronic engineering learns Ohm’s law, E = I x R, or voltage equals current times resistance. You learn that E is electromotive force, a long term for voltage. R is ...

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 ...

Are you using a Receiver or separate power amp to drive your speakers? Receivers: Most midfi Receivers may have problems adequately driving a 4 ohm load. However, many of the better Receivers today ...

Ohms are one of the specs that both speaker and receiver manufacturers use to give you an idea about their performance. Speakers and amplifiers alike are usually rated around 8 ohms, but that's not ...

Termination – the term brings to mind different values of resistance to different specialties in electronics. RF designers think about 50 ohm, video designers 75 ohm, audio and telecommunication ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...