Required information
A series audio circuit is shown in the given figure, where $Z_L = j30 \ \Omega$ and $R = 120 \ \Omega$.
-j20 $\Omega$
L
R
-j20 $\Omega$
250 Hz
NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part.
What is the impedance of the circuit?
The impedance of the circuit is $Z = ($ + $j($ )) $\Omega$.