course material
Video Lectures on Electric Field
Course
1- http://safeshare.tv/w/pdSQAyhdCR (part1)
2- http://safeshare.tv/w/QOrRMWWexT (part2)
3- http://safeshare.tv/w/YiAYDvxOoG (part3)
4- http://safeshare.tv/w/RjKkHuTlPd (part4)