Correct Answer - Option 1 : ϵ
0-1
The correct answer is option 1) i.e. ϵ0-1
CONCEPT:
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Gauss's Law for electric field: It states that the total electric flux emerging out of a closed surface is directly proportional to the charge enclosed by this closed surface. It is expressed as:
\(ϕ = \frac{q}{ϵ_0}\)
Where ϕ is the electric flux, q is the charge enclosed in the closed surface and ϵ0 is the electric constant.
EXPLANATION:
Since a unit positive charge is given, q = +1 unit.
Therefore, electric flux from the surface \(ϕ = \frac{q}{ϵ_0} = \frac{1}{\epsilon_0} = \epsilon_0^{-1}\)