目录第十三章热和能.................................................................................................................................................1第1节分子热运动.....................................................................................................................................1第二节内能...............................................................................................................................................3第三节比热容...........................................................................................................................................4第十四章内能的利用.........................................................................................................................................7第一节1热机............................................................................................................................................7第一节2热机.............................................................................................................................................8第二节热机效率........................................................................................................................................9第三节能量的转化和守恒......................................................................................................................10第十五电流和电路...........................................................................................................................................15第一节电荷...............................................................................................................................................15第二节电流和电路...................................................................................................................................17第三节串联和并联...................................................................................................................................19第四节电流的强弱测量...........................................................................................................................22第五节串、并联电路电流规律...............................................................................................................26第十六章电压电阻..........................................................................................................................................29第一节电压.............................................................................................................................................29第二节探究串、并联电路中电压的规律..............................................................................................30第三节电阻变阻器................................................................................................................................31第十七章欧姆定律...........................................................................................................................................33第一节电流与电压和电阻的关系欧姆定律........................................................................................33第二节、电阻的测量................................................................................................................................35第三节欧姆定律在串、并联电路中的应用..............
