有三只电阻串联后接到电源的两端,已知R1=2R2,R2=3R3,R2两端的电压为10v,求电源两端的电压是多少?(假...有三只电阻串联后接到电源的两端,已知R1=2R2,R2=3R3,R2两端的电压为10v,求电源两端的电压是
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![有三只电阻串联后接到电源的两端,已知R1=2R2,R2=3R3,R2两端的电压为10v,求电源两端的电压是多少?(假...有三只电阻串联后接到电源的两端,已知R1=2R2,R2=3R3,R2两端的电压为10v,求电源两端的电压是](/uploads/image/z/3232641-57-1.jpg?t=%E6%9C%89%E4%B8%89%E5%8F%AA%E7%94%B5%E9%98%BB%E4%B8%B2%E8%81%94%E5%90%8E%E6%8E%A5%E5%88%B0%E7%94%B5%E6%BA%90%E7%9A%84%E4%B8%A4%E7%AB%AF%2C%E5%B7%B2%E7%9F%A5R1%3D2R2%2CR2%3D3R3%2CR2%E4%B8%A4%E7%AB%AF%E7%9A%84%E7%94%B5%E5%8E%8B%E4%B8%BA10v%2C%E6%B1%82%E7%94%B5%E6%BA%90%E4%B8%A4%E7%AB%AF%E7%9A%84%E7%94%B5%E5%8E%8B%E6%98%AF%E5%A4%9A%E5%B0%91%3F%EF%BC%88%E5%81%87...%E6%9C%89%E4%B8%89%E5%8F%AA%E7%94%B5%E9%98%BB%E4%B8%B2%E8%81%94%E5%90%8E%E6%8E%A5%E5%88%B0%E7%94%B5%E6%BA%90%E7%9A%84%E4%B8%A4%E7%AB%AF%2C%E5%B7%B2%E7%9F%A5R1%3D2R2%2CR2%3D3R3%2CR2%E4%B8%A4%E7%AB%AF%E7%9A%84%E7%94%B5%E5%8E%8B%E4%B8%BA10v%2C%E6%B1%82%E7%94%B5%E6%BA%90%E4%B8%A4%E7%AB%AF%E7%9A%84%E7%94%B5%E5%8E%8B%E6%98%AF)
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