An electric field is given by (6 i +5 j +3 k ) N / C. The electric flux through a surface area 30 i m^2 lying in YZ -plane (in SI unit) is:

An electric field is given by $\displaystyle (6 \hat{i}+5 \hat{j}+3 \hat{k}) \mathrm{N} / \mathrm{C}$. The electric flux through a surface area $\displaystyle 30 \hat{i} \mathrm{~m}^2$ lying in YZ -plane (in SI unit) is :