17春-初三物理1目录第一讲磁场、原子和星系..............................................................................................................................2第二讲测小灯泡电功率................................................................................................................................11第三讲电学计算一........................................................................................................................................21第四讲电学计算二........................................................................................................................................31第五讲伏安法测电阻....................................................................................................................................42第六讲压强变化...........................................................................................................................................53第七讲压强计算............................................................................................................................................62第八讲动态电路分析...................................................................................................................................70第九讲电路故障...........................................................................................................................................77第十讲凸透镜成像规律................................................................................................................................86第十一讲情景分析........................................................................................................................................94第十二讲表格分析.....................................................................................................................................102课后作业..............................................................................................................................................
