Electromagnetism FF95594731A UNERDSAMS OFAMERIC F6 FF95594731A oN HoNDiEDDorves
Electromagnetism
Agenda today: Electric charge(电量) Coulomb'sLaw(库仑定律) Electric field(电场)
Agenda today: Electric charge（电量） Coulomb’s Law（库仑定律） Electric field（电场）
Charging by friction Table 8.1 The Electrostatic Series Cat's fur Low affinity Acetate for electrons Glass Wool Lead Silk Wax Ebonite Copper Rubber A plastic comb that has been charged by Amber running it through your hair attracts neutral objects such as bits of paper or, Sulphur High affinity as seen here,drops of water. Gold for electrons
顿牟掇芥 ,磁石 引针 Charging by friction
Charging by induction Spinning Plastic Wheels
Charging by induction