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【单选题】
某含源二端网络的开路电压为10V,如在网络两端接10Ω的电阻,二端网络的端电压为8V,此网络的戴维南等效电路的电压源电压和等效电阻分别为
A.
10V,10 Ω
B.
10V,18 Ω
C.
10V,2.5 Ω
D.
10V,2 Ω
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A.
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B.
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A.
立春
B.
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C.
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D.
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A.
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B.
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A.
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B.
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C.
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D.
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A.
正确
B.
错误
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A.
that
B.
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D.
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A.
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B.
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C.
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D.
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