Which of the following statements regarding magnetic lines of force is correct?

$VS$ is the unit of which physical quantity?

$A$ square loop of side $2 \ m$ lies in the $Y-Z$ plane in a region having a magnetic field $\vec{B}=(5 \hat{i}+3 \hat{j}-4 \hat{k}) \ T$. The magnitude of magnetic flux through the square loop is (in $Wb$)

Consider a circular coil of wire carrying constant current $I$,forming a magnetic dipole. The magnetic flux through an infinite plane that contains the circular coil and excluding the circular coil area is given by $\phi_{i}$. The magnetic flux through the area of the circular coil area is given by $\phi_{0}$. Which of the following options is correct?

$A$ square coil of area $10^{-2} \ m^2$ is placed perpendicular to a uniform magnetic field of intensity $10^3 \ Wb/m^2$. The magnetic flux through the coil is ........ $Wb$.

When does the magnetic flux become zero?