An infinite line of charge runs along the z-axis. At a particular point in the x-y plane (1.0m, 1.0m), the magnitude of the electric field is E = 2.0x10^4 N/C. What is the linear charge density of the line?
i) +0.6 µC/m
ii) +1.1 µC/m
iii) +1.6 µC/m
iv) +4.0 µC/m