In the circuit given, the switch has been in its initial position for a long time. at

$t=0$

$,$ it moves instantaneously from a to b$.$

Element Value

Find the current through $R_3$ at a time $t=0\mathrm{.}7ms.$

$-$What is the total energy delivered to $R_3?$

How many time constants elapse such that $92\%$ of the energy is delivered to $R_3?$

Answer:

$i_{R_3}(t)$:$=$

$$

$E_{R_3}$:$=$

$$

$N_T$:$=$

$$