A $3\mathrm{.}5$ mH inductor and a $4\mathrm{.}5$ mH inductor are connected in series and a time varying current is established in them. When the total emf of the combination is $16$ V $,$ the emf of the larger inductor is:

$2\mathrm{.}3$ V

$7\mathrm{.}0$V

$9\mathrm{.}0$ V

$28$ V

$36$ V