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若某RC并联电路在时的等效复阻抗为(2-j1)Ω,那么R=(   )Ω,C=(   )F。

发布时间:2026-01-24

A.2.5,0.2

B.2.5,0.5

C.2.0,0.2

D.2.0,0.5

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