3. (1.5 points, Topic A.12: Singularity Functions) For the circuit shown, calculate i(t) if i(0)=0.
(t-1) V
+
3?
i
2 H
6?
+
u(t) V
4. (2 points, Topic A.11: First Order Source-Free Circuits) In the op-amp circuit shown below,
find $v_o(t)$ for t>0. Assume v(0)=10 V, R=100 k?, and C=20 µF.
R
R
R
R
+
+
C
V
$V_o$