Find the electric field due to an infinitely long charged cylinder of radius $R$ having a linear charge density $\lambda$ at a distance of $R/2$ from its axis.
- A$\frac{\lambda}{\pi \epsilon_0 R}$
- B$\frac{\lambda}{4\pi R}$
- C$\frac{\lambda}{4\pi \epsilon_0 R}$
- D$\frac{\lambda}{4\pi \epsilon_0}$
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