Chapter 22 Capacitance, Dielectrics, Electric Energy Storage 22-1 Capacitor(condenser) P525-526 1. The Definition of Capacitor Capacitor two conductors(separated by an insulator)with equal and opposite charges +Q Two conductors called plates(极板 2. Symbol of CapacitorsChapter 22 Capacitance, Dielectrics, Electric Energy Storage 22-1. Capacitor(condenser) P525-526 a +Q b -Q Capacitor: two conductors (separated by an insulator) with equal and opposite charges . Two conductors called plates（极板）. 1. The Definition of Capacitor 2. Symbol of Capacitors