【文档说明】《14.2 探究欧姆定律》（电流与电压关系的画图程序）-九年级物理上册【粤沪版】.xlsx，共(10)页，23.163 KB，由小喜鸽上传

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R=5ΩU/V0.511.522.5I/A0.10.020.30.40.5R=10ΩU/V12345I/A0.10.20.30.40.5R=15ΩU/V1.533.64.24.5I/A0.10.20.240.280.3R=20ΩU/V22.433.64I/A0.10.120.150.180.2

R=5ΩU/V00.511.52I/A00.10.20.30.4R=10ΩU/V00.511.52I/A00.050.10.150.2R=15ΩU/V00.511.21.5I/A00.030.070.08

0.1R=20ΩU/V00.511.52I/A00.030.050.080.10,00.05,0.500.511.522.50U/V00.511.522.5R=5ΩR=10ΩR=20Ω000.10.20.30.40.50,00.05,0.50.1,10.15,1.50.2,2y=5xU=

5Iy=10xU=10Iy=15xU=15Iy=20xU=20I00.511.522.500.10.20.30.40.5U/VI/AR=5ΩR=10ΩR=15ΩR=20Ω线性(R=5线性(R=10线性(R=15线性(R=200,00.05,0.5

0.1,10.15,1.50.2,20.10.20.30.40.5I/AR=15ΩR=5ΩR=10ΩR=20Ω线性(R=15Ω)线性(R=15Ω)线性(R=5Ω)线性(R=10Ω)线性(R=20Ω)00.511.522.5R=20

ΩR=20Ω线性(R=20Ω)ΩΩΩΩ(R=5Ω)(R=10Ω)(R=15Ω)(R=20Ω)000.050.10.1500.20.40.60.811.21.41.600.020.040.060.080.10.

12R=15Ω0.075,1.50.1,21.522.5R=20ΩR=200,00.025,0.50.05,100.5100.050.10.15R=200.12R=15ΩR=20ΩR=20Ω