闭合电路的欧姆定律ppt课件

本学案栏目开关,1,知识储备区,电势能,1 C的正电荷,I2Rt,功率之和,本学案栏目开关,2,知识储备区,闭合电路,外电路,内电路,正极,负极,正,高,低,电流,电势,本学案栏目开关,3,知识储备区,正比,电阻之和,路端电压,电势降落,本学案栏目开关,4,知识储备区,EIr,电源电动势,内阻,本学案栏目开关,5,学习探究区,本学案栏目开关,6,学习探究区,降低,等于,正比,反比,U外U内,IRIr,本学案栏目开关,7,学习探究区,本学案栏目开关,8,学习探究区,本学案栏目开关,9,学习探究区,本学案栏目开关,10,学习探究区,增大,减小,电源电动势,本学案栏目开关,11,学习探究区,电源电动势,短路电流,本学案栏目开关,12,学习探究区,本学案栏目开关,13,学习探究区,本学案栏目开关,14,学习探究区,本学案栏目开关,15,学习探究区,本学案栏目开关,16,学习探究区,本学案栏目开关,17,学习探究区,本学案栏目开关,18,学习探究区,本学案栏目开关,19,学习探究区,本学案栏目开关,20,学习探究区,本学案栏目开关,21,学习探究区,本学案栏目开关,22,自我检测区,BD,本学案栏目开关,23,自我检测区,BD,本学案栏目开关,24,自我检测区,D,本学案栏目开关,25,自我检测区,本学案栏目开关,26,自我检测区,本学案栏目开关,27,