
Capacitor - Wikipedia
Colloquially, a capacitor may be called a cap. [2] The utility of a capacitor depends on its capacitance. While some capacitance exists between any two electrical conductors in …
How Capacitors Work | HowStuffWorks
In this article, we'll learn exactly what a capacitor is, what it does and how it's used in electronics. We'll also look at the history of the capacitor and how several people helped shape its progress.
Capacitor | Definition, Function, & Facts | Britannica
Dec 26, 2025 · A capacitor, also called a condenser, is thus essentially a sandwich of two plates of conducting material separated by an insulating material, or dielectric. Its primary function is …
A Complete Guide to Capacitors - Circuit Basics
A capacitor is an electrical component used to store energy in an electric field. It has two electrical conductors separated by a dielectric material that both accumulate charge when connected to …
Capacitor: Principle, Types, Applications, Examples, Safety
Jul 10, 2025 · What is a Capacitor? An electronic device containing two terminals that stores and distributes electrical energy is called a capacitor. The main purpose of a capacitor is to store …
8.2: Capacitors and Capacitance - Physics LibreTexts
Jul 15, 2025 · A capacitor is a device used to store electrical charge and electrical energy. It consists of at least two electrical conductors separated by a distance. (Note that such …
How do capacitors work? - Explain that Stuff
Feb 16, 2025 · What is a capacitor? Take two electrical conductors (things that let electricity flow through them) and separate them with an insulator (a material that doesn't let electricity flow …
Capacitor Guide for Beginners: Everything You Need to Know
Jun 13, 2025 · Capacitors are among the most essential electronic components found in every circuit, from simple hobbyist projects to advanced digital devices. In this guide, we explain …
Capacitors - SparkFun Learn
A capacitor can retain its electric field -- hold its charge -- because the positive and negative charges on each of the plates attract each other but never reach each other.
Capacitor - Physics Book
Nov 29, 2017 · A capacitor can store electric energy when it is connected to its charging circuit. And when it is disconnected from its charging circuit, it can dissipate that stored energy, so it …