Physics 2 coaxial potential help!
https://wug-s.physics.uiuc.edu/cgi/courses/shell/common/showme.pl?cc/DuPage/phys2112/summer/homework/Ch-22-E-Potential/IE_cylindersV/coax.gif
The diagram above shows a coaxial cable. The inner conductor has radius a = 0.0025 m. The outer conductor is a...