The S.I unit of mutual inductance, the 'henry' can be written as

$\frac{ohm}{second}$ $\frac{volt-second}{ampere}$ $\frac{joule}{(ampere)^2}$ $\frac{weber}{ampere}$

$\frac{volt-second}{ampere}$

The correct answer is Option (2) → $\frac{volt-second}{ampere}$