Chapter 22 Capacitance, Dielectrics, Electric Energy Storage Chapter 22 Conductor. Dielectrics. Electric Energy Storage Capacitance Dielectrics Energy Stored in an Electric Field
Chapter 22 Capacitance, Dielectrics, Electric Energy Storage Chapter 22 Conductor, Dielectrics, Electric Energy Storage • Capacitance • Dielectrics • Energy Stored in an Electric Field
Chapter 22 Capacitance, Dielectrics, Electric Energy Storage New words and expressions capacitance 电容 capacitor(condenser) 电容器 dielectric 电介质 farad 法拉 series 串联 parallel 并联 bound charges 束缚电荷 polarization 极化 electric displacement 电位移矢量 orientation polarization 位移极化 displacement polarization 取向极化
Chapter 22 Capacitance, Dielectrics, Electric Energy Storage New words and expressions capacitance 电容 capacitor (condenser) 电容器 dielectric 电介质 farad 法拉 series 串联 parallel 并联 bound charges 束缚电荷 polarization 极化 electric displacement 电位移矢量 orientation polarization 位移极化 displacement polarization 取向极化
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 Capacitors
Chapter 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
Chapter 22 Capacitance, Dielectrics, Electric Energy Storage 3. The use of capacitors 电容器是一储能元件( Storehouses for potential energy)
Chapter 22 Capacitance, Dielectrics, Electric Energy Storage 3. The use of capacitors 电容器是一储能元件 (Storehouses for potential energy) 纸质电容器 陶瓷电容器 电解电容器 钽电容器 可变电容器
Chapter 22 Capacitance, Dielectrics, Electric Energy Storage apacitors are widely used in electronIc circuits Store charges: camera flash; computer if power fails; part of tuner of a radio, sever as memory in RAM, key on keyboard Ke y Movable plate apacitor Insulator (flexible) Fixed plate
Chapter 22 Capacitance, Dielectrics, Electric Energy Storage Capacitors are widely used in electronic circuits: Store charges: camera flash; computer if power fails; part of tuner of a radio, sever as memory in RAM, key on keyboard