Q. An electric charge $q$ is placed at the centre of a cube of side $a.$ The electric flux on one of its faces will be
A) $\frac{q}{6\varepsilon_{0}}$
B) $\frac{q}{\varepsilon_{0}a^{2}}$
C) $\frac{q}{4\pi\varepsilon_{0}a^{2}}$
D) $\frac{q}{\varepsilon_{0}}$
Explanation
(a) By Gauss’s theorem
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.