A.直流电源15V(内阻可不计) |
B.直流电流表0~0.6A~3A(内阻0.5Ω、0.1Ω) |
C.直流电流表0~300mA(内阻约5Ω) |
D.直流电压表0~3V~15(内阻约3kΩ、15kΩ) |
次数 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
U(V) | 1.37 | 1.32 | 1.24 | 1.20 | 1.18 | 1.10 | 1.05 |
I(A) | 0.12 | 0.20 | 0.31 | 0.38 | 0.42 | 0.50 | 0.57 |
A.R1>Rx>R2 | B.R1<Rx<R2 |
C.R1>R2>Rx | D.R1<R2<Rx |
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