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Question: Answered & Verified by Expert
A point charge $+ q$ is placed at the centre of a cube of side $L$. The electric flux emerging from the cube is
PhysicsElectrostaticsJEE Main
Options:
  • A $\frac{q}{\varepsilon_0}$
  • B Zero
  • C $\frac{6 q L^2}{\varepsilon_0}$
  • D $\frac{q}{6 L^2 \varepsilon_0}$
Solution:
2441 Upvotes Verified Answer
The correct answer is: $\frac{q}{\varepsilon_0}$
Electric flux coming out through a closed surface is $\frac{q}{\varepsilon_0}$

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