Capacitor - Wikipedia
In electronics, a capacitor is a device that stores electrical energy by accumulating electric charges on two closely spaced surfaces that are insulated from each other. It is a passive electronic component …
How Capacitors Work - HowStuffWorks
A capacitor is much simpler than a battery, as it can't produce new electrons — it only stores them. A capacitor is so-called because it has the "capacity" to store energy.
Capacitor in Electronics – What It Is and What It Does
May 19, 2024 · Capacitors store energy in an electric field and release energy very quickly. They are useful in applications requiring rapid charge and discharge cycles. Batteries store energy chemically …
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 …
What is a capacitor, and what is its function?
May 10, 2025 · A capacitor is an essential component in electrical and electronic systems, used to store, filter, and control electrical energy. Its main functions include energy storage, signal processing, …
Capacitor | Definition, Function, & Facts | Britannica
Nov 21, 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 …
Capacitor Basics in Electronics - Uses, Function, Unit, Formula
Jul 22, 2025 · The main function of a capacitor is to store electric energy in an electric field and release this energy to the circuit as and when required. It also allows to pass only AC Current and NOT DC …