An infinite line charge produces a fiedl of `9xx10^(4)NC^(-1)` at a distance of `2xx10^(-2)m`. Calculate the linear charge density.

Explanation

Given `E=9xx10^(4)NC^(-1)`
`r=2xx10^(-2)m`
We knowthat `E=(lamda)/(2 pi epsilon_(0)r)`
i.e. `lamda=2pi epsilon_(0)rE` where `lamda-` is linear charge density.
i.e. `lamda=2xx3.142xx8.854xx10^(-12)xx2xx10^(-2)xx9xx10^(4)Cm^(-1)`
i.e. `lamda=1xx10^(-7)Cm^(-1)`
Linear charge density `=1xx10^(-7)Cm^(-1)`