The dimensional formula of electric flux is:

[M^{1} L^{1} T^{- 2}]

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[M^{1} L^{3} T^{- 3} A^{- 1}]

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[M^{2} L^{2} T^{- 2} A^{- 2}]

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[M^{1} L^{- 3} T^{3} A^{1}]

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Solution

The correct option is C $[M^{1} L^{3} T^{- 3} A^{- 1}]$
Electric flux $ϕ = \int \to E . \to s$
The dimension of $ϕ =$ dimension fo $E \times$ dimension of $s$
$[ϕ] = [M^{1} L^{1} T^{- 2}] {[A T]}^{- 1} [L^{2}] = [M^{1} L^{3} T^{- 3} A^{- 1}]$

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