Definition of Capacitor

1. Capacitors consist of a dielectric material separating two parallel plates. They are used to hold charge or to transmit an ac signal and block a dc signal.

   Circuit symbol:Capacitance Symbol: C, unit: farad (F)

   Capacitance is the amount of charge a capacitor can hold per volt.

   Q = CV, I = C(dV/dt)  Top of Page     Copyright © 2000 by Brian M. Tissue, all rights reserved.