R1 =25Ω,R2 = 10Ω,将R1、 R2 串联,接在电源两端,则通过R1R2的电流之比I1:I2=_____,R1R2两端电压之比U1:U2=_______.若将R1、R2 并联后接在同一电源的两端,则通过R1R2的电流之比I’1:I’2= _____,R1R2两端电压之
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![R1 =25Ω,R2 = 10Ω,将R1、 R2 串联,接在电源两端,则通过R1R2的电流之比I1:I2=_____,R1R2两端电压之比U1:U2=_______.若将R1、R2 并联后接在同一电源的两端,则通过R1R2的电流之比I’1:I’2= _____,R1R2两端电压之](/uploads/image/z/12515924-20-4.jpg?t=R1+%3D25%CE%A9%2CR2+%3D+10%CE%A9%2C%E5%B0%86R1%E3%80%81+R2+%E4%B8%B2%E8%81%94%2C%E6%8E%A5%E5%9C%A8%E7%94%B5%E6%BA%90%E4%B8%A4%E7%AB%AF%2C%E5%88%99%E9%80%9A%E8%BF%87R1R2%E7%9A%84%E7%94%B5%E6%B5%81%E4%B9%8B%E6%AF%94I1%3AI2%3D_____%2CR1R2%E4%B8%A4%E7%AB%AF%E7%94%B5%E5%8E%8B%E4%B9%8B%E6%AF%94U1%3AU2%3D_______.%E8%8B%A5%E5%B0%86R1%E3%80%81R2+%E5%B9%B6%E8%81%94%E5%90%8E%E6%8E%A5%E5%9C%A8%E5%90%8C%E4%B8%80%E7%94%B5%E6%BA%90%E7%9A%84%E4%B8%A4%E7%AB%AF%2C%E5%88%99%E9%80%9A%E8%BF%87R1R2%E7%9A%84%E7%94%B5%E6%B5%81%E4%B9%8B%E6%AF%94I%E2%80%991%3AI%E2%80%992%3D+_____%2CR1R2%E4%B8%A4%E7%AB%AF%E7%94%B5%E5%8E%8B%E4%B9%8B)
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