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# Units of electric flux are

$(a)\;\large\frac{N-m^{2}}{c^2}\qquad(b)\;volt-m\qquad(c)\;\large\frac{N}{c^2-m^2}\qquad(d)\;none$

Answer : (b) $\;volt-m$
Electric flux has the dimensions of $\;E^{\rightarrow}\;.da^{\rightarrow}$
$\large\frac{N}{C}\;m^2=volt-m\;.$