Question
An infinitely long, thin, straight wire has a uniform charge density of $\frac{1}{4} \times 10^{-2} \text{ C m}^{-1}$. What is the magnitude of the electric field at a distance of 20 cm from the axis of the wire?
An infinitely long, thin, straight wire has a uniform charge density of $\frac{1}{4} \times 10^{-2} \text{ C m}^{-1}$. What is the magnitude of the electric field at a distance of 20 cm from the axis of the wire?