Question $23(1$ point$)$

Ten dipoles, each consisting of two charges $+-19C,$ are located within a spherical surface, the radius of which is $2$ mm $.$ What is the flux density through the sphere?

$4N*\frac{m^2}{C}$

$2N*\frac{m^2}{C}$

$-1N*\frac{m^2}{C}$

$0N*\frac{m^2}{C}$