基本信息
文件名称:A2 Physics 物理 出国英语Resistance and Resistivity Part 3 - Resistivity.ppt
文件大小:5.25 MB
总页数:11 页
更新时间:2025-08-16
总字数:约1.5千字
文档摘要

Whatisresistivity?Whichofthefourexamplesbelowhasthelargestresistance,andwhichhasthesmallest?Theresistancedependsonthesizeandshapeofthematerial(itscross-sectionalareaandlength)andthematerialitself.coppersiliconsilverplasticThemeasureofhowmuchaparticularmater