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The capacitor is an essential electronic component that stores and releases electrical energy in a circuit. It’s used in almost every electronic device, from smartphones and computers to TVs, home appliances, cars, and industrial equipment. In this post, we will break down the main functions, operating principles, and types of capacitors so you can better understand how they work.     1. Main Functions of a Capacitor Energy Storage: Stores electrical charge when current flows and releases it when needed Filtering: Removes noise and stabilizes voltage fluctuations in power supplies Coupling: Passes AC signals while blocking DC components Timing: Works with resistors to create time-delay circuits Smoothing: Converts pulsating DC from rectifiers into smooth DC 2. Operating Principle A capacitor consists of two conductive plates (electrodes) separated by an insulating material (dielectric). When voltage is applied, electrons accumulate on o...