A quick calculation: To estimate a battery’s internal resistance, you can use a simple voltage-drop method when the ...

A diode is a tiny component that controls the flow of electricity by allowing current to pass in only one direction. This ...

For electricity to flow, everything needs to be connected in a big ring. It’s called a circuit. For example, the lights in most houses and flats are part of a circuit controlled by the consumer unit, ...

Resistors are small but essential components that manage how electricity moves through a circuit. This video explains how ...

The multi-wire branch is here to stay; so is ground fault protection. But we should unite these technologies only when it’s a good match. Ground-fault protection and the multi-wire branch circuit ...

Printed circuit boards (PCBs) are the essential building blocks behind almost all modern electronic devices. These components ...

Sometimes, those involved in IC design can get a very narrow view of their particular specialty area. This article, while covering some basics, aims to provide a global overview to everyone on the ...

This article is the first in a 12-part series on the differences between grounding and bonding. Article 250 provides requirements for the grounding and bonding of ...

Save guides, add subjects and pick up where you left off with your BBC account. For electricity to flow, everything needs to be connected in a big ring. It’s called a circuit. For example, the lights ...