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【单选题】
已知某一支路由一个Is=5A的理想电流源与R=2Ω的电阻相并联的电路,则这个并联电路对外电路来讲,可用 来进行等效。A.
Us=10V 的理想电压源与一个R=2Ω的电阻串联的电路。
B.
Is=20A 的理想电压源与R=2Ω的电阻相串联的电路。
C.
Us=10V 的理想电压源。
D.
Is=5A 的理想电流源。
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