1.电导的物理现象 11电导的宏观参数 E Flow of electrons in the metal to the positive electrode, as the effect of applying a voltage Simple picture of metallic bonding: high number of electrons in between the ions Energy scheme: Positive end of the rod has a lower energy than the negative end Why not all the electrons move to the positive terminal?1. 电导的物理现象 1.1 电导的宏观参数 • Flow of electrons in the metal to the positive electrode, as the effect of applying a voltage • Simple picture of metallic bonding: high number of electrons in between the ions • Energy scheme: Positive end of the rod has a lower energy than the negative end • Why not all the electrons move to the positive terminal?