QI
the 9-µF capacitor is connected to the circuit at $t = 0$. At this time, capacitor voltage is
$v_0 = 17 V$. Find $v_A$, $v_B$, $v_C$, $i_{AB}$, $i_{AC}$ and $i_{BC}$ for $t > 0$.
6 ??
$v_A$
$v_B$
$v_C$
A
2 ??
B
4 ??
$t=0$
3 ??
9 µF
12 ??
Q2
A series RLC circuit, with $R = 3 k\Omega$, $L = 10 H$, and $C = 200 µF$, has a constant-voltage source, $V = 50 V$,
applied at $t = 0$. (a) Obtain the current transient, if the capacitor has no initial charge. (b) Sketch the
current and find the time at which it is a maximum.
Q3
A series RLC circuit, with $R = 50 \Omega$, $L = 0.1 H$, and $C = 50 µF$, has a constant voltage $V = 100 V$ applied
at $t = 0$. Obtain the current transient, assuming zero initial charge on the capacitor.
Q4
A parallel RLC network, with $R = 50.0 \Omega$, $C = 200 µF$, and $L = 55.6 mH$, has an initial charge $Q_0 = 5.0 mC$
on the capacitor. Obtain the expression for the voltage across the network.
