| ELECTRONIC COMPONENTS - THE CAPACITOR | ||
The capacitor is a passive component whose function is to store electricity, or electrical energy. It is also employed as a filter, which it does by passing alternating current and blocking direct current. Capacitance is measured in units called FARADS. A one-farad capacitor stores one coulomb charge when one volt is applied across the terminals of the capacitor. However, the farad is actually a very large unit of measure, capacitance is usually expressed in smaller terms such as the micro- or picofarad. |
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