高中物理第二章直流电路第5节学生实验：测量电源的电动势和内阻省公开课一等奖新名师优质课获奖PPT课件.pptx

结 束,首 页,末 页,下一页,上一页,1/51,2/51,3/51,试验序号,1,2,3,4,5,6,I,/A,U,外,/V,4/51,5/51,产生原因,减小方法,电压表、电流表读数,电压表、电流表指针偏角适当大些,描点时不准确，画,U,I,图像时不规范,多测几组数据，不在直线上点，大致均匀分布在直线两侧。个别偏离直线较远点不予考虑,6/51,7/51,8/51,9/51,10/51,11/51,12/51,13/51,14/51,15/51,16/51,I,(A),0.12,0.20,0.31,0.32,0.50,0.57,U,(V),1.37,1.32,1.24,1.18,1.10,1.05,17/51,18/51,19/51,20/51,21/51,22/51,23/51,24/51,25/51,26/51,27/51,28/51,29/51,30/51,31/51,U,(V),1.45,1.36,1.27,1.16,1.06,I,(A),0.12,0.20,0.28,0.36,0.44,32/51,33/51,34/51,35/51,36/51,37/51,38/51,39/51,40/51,41/51,42/51,43/51,R,/,1.0,2.0,3.0,4.0,5.0,6.0,7.0,I,/A,0.143,0.125,0.100,0.091,0.084,0.077,6.99,8.00,10.0,11.0,11.9,13.0,44/51,45/51,46/51,47/51,48/51,49/51,50/51,51/51,