PROBLEM 1. Calculate the input impedance (in rectangular coordinates) seen from the open terminals for the circuit below if
$X_c = -j20 \Omega$ and $X_L = j30 \Omega$.
20?
$X_c$
$X_L$
PROBLEM 2. Given the circuit below with $X_c = -j15 \Omega$, $X_L = j40 \Omega$, and $V1 = 20V\angle45^\circ$ (peak), calculate the current through each circuit element and
the total current.
V1
20?
$X_c$
$X_L$
PROBLEM 3. Given the circuit from Problem 2, sketch the Phasor diagram for the currents, and verify that the sum of the individual currents is equal to the
total current.
PROBLEM 4. In the circuit below, with C = 220 nF and f = 1 kHz, design the value of L to achieve an input impedance of $97 \angle 15^\circ \Omega$.
100?
C
L
