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欧姆定律——电流与电压和电阻的关系约5 A约1 A约1 A约2 A约0.5 A约0.2 A你知道下列用电器工作时的电流有多...
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第二节《欧姆定律》 练习题一、基础题1.导体中的电流,跟__________________成正比,跟__________成反比。...
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串联并联电流I=I1= I2I= I1 + I2电压U= U1 + U2U= U1= U2电阻R= R1 + R2R\1= R1\1 + R2\1分压规律U1 \ U2= ...
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动态电路分析Dynamic Circuit周文辉市桥桥兴中学动态电路变阻器开关01 . 变阻器R0R1R1 变大R总 变大I总 变小...
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