厦电磁学04-08：电源与电动势 口以丹尼尔电池为例说明 U 0.60 ZnSO 0.51 CuSO A simple voltaic electrons The Daniell Cell or galvanic cell V←electrons (battery) voltmeter (high-resistance) (c)doc b REDUCTION ⊕ ionsions Salt bridge OXIDATION electron 2n(s) electron gain loss Zns)→naa+2e copper salt solution Cu) 298K zine salt 2+ (25°c) )solution cellreaction:Zn+CuCZne)and Ec1.10V电磁学04-08: 电源与电动势  以丹尼尔电池为例说明