Homework Statement
Find V(r), the electric potential due to an infinitely long cylinder with uniform charge density ρ and radius R.
Use V(r = 2R) = 0 as your reference point.
Homework Equations
E at r < R = ##\frac{(ρr)}{2ε_{0}}##
E at r > R = ##\frac{(ρR^{2})}{(2ε_{0}r)}##
The...