The current through a 40-mH inductor is
i(t)=\left\{\begin{array}{ll}0, & t<0 \\t e^{-2 t} \mathrm{A}, & t>0\end{array}\right.
Find the voltage v(t).
The current through a 40-mH inductor is
i(t)=\left\{\begin{array}{ll}0, & t<0 \\t e^{-2 t} \mathrm{A}, & t>0\end{array}\right.
Find the voltage v(t).