Determine a value for i SW$($t$),$ i$1($t$)$ and i$2($t$)$ at t $=0.(4$ points$)$

Ans: i SW$(0)=0$ A; i$1(0)=2\mathrm{.}4$ A; i$2(0)=0\mathrm{.}6$ A

b$)$ Determine a value for i SW$($t$),$ i$1($t$)$ and i$2($t$)$ at t $=0+.(4$ points$)$

Ans: i SW$(0+)=2$ A; i$1(0+)=2\mathrm{.}4$ A; i$2(0+)=0\mathrm{.}6$ A

c$)$ Determine a value for i SW$($t$),$ i$1($t$)$ and i$2($t$)$ at t $=$ $.(4$ points$)$

Ans: i SW$($$)=5$ A; i$1($$)=0$ A; i$2($$)=0$ A

d$)$ Determine the time$-$constant$($s$)$ for the circuit. $(4$ points$)$

Ans: $1=0\mathrm{.}5$ s; $2=0\mathrm{.}2$ s

e$)$ Using your results from parts a$)$ d$),$ determine an expression for i SW$($t$)$ valid for t $0+.(4$

points$)$ Ans: i SW$($t$)=52\mathrm{.}4$ exp$(2$t$)0\mathrm{.}6$ exp$(5$t$)$ A