Q 12-01-061JEE MainJEE Main 2024 (9 Apr, Shift 2)Easy
Five charges $+q$, $+5q$, $-2q$, $+3q$ and $-4q$ are situated as shown in the figure. The electric flux due to this configuration through the surface $S$ is:
Answer: (A) $\dfrac{4q}{\epsilon_0}$
Only the enclosed charges count (Gauss's law): $+5q + q - 2q = 4q$.
$$\Phi = \frac{4q}{\epsilon_0}$$
Solution by Sreeraj P, M.Sc Physics