An infinitely long line charge of density ρ, lies along z-axis. What is the electric field at a point (R, 0, 0)?
1
\({\hat a_z}\left( {\frac{\rho }{{4\pi R}}} \right)\)
2
\({\hat a_y}\left( {\frac{\rho }{{2\pi {\varepsilon _0}R}}} \right)\)
3
\({\hat a_x}\left( {\frac{\rho }{{2\pi {\varepsilon _0}R}}} \right)\)
4
\({\hat a_x}\left( {\frac{\rho }{{2\pi R}}} \right)\)
5
Question Not Attempted