Work load (and download) of a capacitor: work necessary to bring a charge Q on the capacitor plates. When discharging the capacitor, closing the circuit between the plates, the energy supplied by the capacitor is equal to the charging work.

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Glossary

Capacitor: The capacitors are accumulators of electric charges consist of two conductors (said armor) separated by an insulator (dielectric).

Electrostatic capacity: constant relationship between the position of a conductor and its potential. In the case of a capacitor the capacity expresses the ratio between the charge present on each armature and the potential difference between the plates. The capacity depends on the geometric shape of the conductor.