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Eight identical cubes are required to arrange so that this charge is at the centre of the cube formed. Find the flux.
- q / ε₀
- q / 8ε₀
- q / 6ε₀
- q / 4ε₀
Correct answer: q / 8ε₀
Solution
The total flux through a closed surface enclosing a charge q is given by Gauss's law as q/ε₀. Since the charge is at the center of one of the eight identical cubes, the flux through one cube is 1/8th of the total flux, i.e., q/8ε₀.
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