Series and parallel circuits Measuring current and potential difference. ... You can measure the potential difference across a cell or battery. If the two or more cells point in the same direction ...

In parallel circuits, electrical components close component A device in an electric circuit, such as a switch or lamp. are connected alongside one another, forming extra loops. Circuit rules ...

Coming from an IT background to an AM transmitter site might leave you with a world of questions. Mark Persons explains the basics.

I have a Sears deep-cycle lead-acid 12v battery already which I've only used once or twice a year for certain power applications. I was thinking of purchasing an identical model and wiring it in ...