Capacitance, also known as "capacitance", refers to the storage capacity of free charge at a given potential difference, denoted as C, in Faradas (F). Generally speaking, charges move under force in an electric field. When there is a medium between conductors, it hinders the movement of charges and causes them to accumulate on the conductor, resulting in the accumulation and storage of charges. The amount of stored charges is called capacitance Capacitance refers to the ability to hold charges. Any electrostatic field is composed of many capacitors, and if there is an electrostatic field, there is a capacitor, which is described by an electrostatic field. It is generally believed that an isolated conductor forms a capacitance with infinity, and a conductor grounded is equivalent to being connected to infinity and connected to the earth as a whole
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