A.电压表V1(量程0一1V,内阻约l0kΩ) |
B.电压表V2(量程0一3V,内阻约20kΩ) |
C.定值电阻Ro=20Ω |
D.被测电阻Rx |
A.待测电流表 |
B.9V直流电源 |
C.“0-10Ω,1A”滑动变阻器 |
D.“0-100Ω,50mA”滑动变阻器 |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
U1/V | 0.00 | 0.00 | 0.06 | 0.12 | 0.24 | 0.42 | 0.72 | 1.14 | 1.74 |
U2/V | 0.0 | 1.0 | 2.1 | 3.1 | 4.2 | 5.4 | 6.7 | 8.1 | 9.7 |
Ux/V | 0.0 | -1.0 | -2.0 | -3.0 | -4.0 | -5.0 | -6.0 | -7.0 | -8.0 |
Ix/mA | 0.00 | 0.00 | -0.01 | -0.02 | -0.04 | -0.07 | -0.12 | -0.19 | -0.29 |
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