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 proximity in a circuit, a …
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 to store …
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.
What is a Capacitor, And What is Capacitance? - Electrical4U
Feb 15, 2014 · In a circuit, a capacitor acts as a charge storage device. It stores electric charge when voltage is applied across it and releases the charge back into the circuit when needed. A basic …
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 electrical conductors are …
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 very …
Capacitor - Physics Book
Nov 29, 2017 · Capacitance is the ability of something to store a charge. This is important to a capacitor and allows us to measure how effective it is. The higher the capacitance number is the more charge …
Capacitor in Electronics - What It Is and What It Does
May 19, 2024 · A capacitor is an electrical component that stores energy in an electric field. It is a passive device that consists of two conductors separated by an insulating material known as a …
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 …
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 what a capacitor …