作者coko0710 (coko0710)
看板Physics
標題[題目] electric field
時間Wed Apr 24 15:24:09 2013
An infinitely long conducting cylinder of radius 12 cm has a linear
charge density of 3 nC/m.What is the field strength 10 cm from the surface?
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1F：噓 suyushan:你覺得你這樣會有人想幫你解嘛? 04/25 00:47
2F：推 jass970991:不難喔 自己解解看 04/25 01:03
3F：噓 profyang:作業直接打上來? 04/25 02:14
4F：→ BLUEBL00D:我幫你解 答案是3.1415967 04/25 03:11