In the infinite plane y = 6m, there exists a uniform surface charge density of $$\frac{1}{{6000\pi }}\mu {\text{C/}}{{\text{m}}^2}$$   the associated electric field strength is

A. $$30\hat i\,{\text{V/m}}$$

B. $$3\hat j\,{\text{V/m}}$$

C. $$30\hat k\,{\text{V/m}}$$

D. $$60\hat j\,{\text{V/m}}$$

Answer: Option B