实验测得某有源二端线性网络在关联参考方向下的外特性曲线如图所示,则它的戴维宁等效电压源的参数US和R0分别为( )。
发布时间:2026-01-23
A.2V,1Ω
B.1V,0.5Ω
C.-1V,2Ω
D.-1V,1Ω
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