目录第一章直流电路...................................................................................................................................5§1—1电学的基本物理量..................................................................................................................5一、电量............................................................................................................................................5二、电流............................................................................................................................................5三、电压............................................................................................................................................6四、电动势、电源............................................................................................................................7五、电阻............................................................................................................................................7六、电功、电功率............................................................................................................................8七、电流的热效应..........................................................................................................................10§1—2电路....................................................................................................................................11一、电路的组成和作用...................................................................................................................11二、电路图.......................................................................................................................................11三、电路的三种状态......................................................................................................................12§1—3欧姆定律................................................................................................................................12一、一段电阻电路的欧姆定律.................................................................
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