Example.Suppose a 15resistor, a 300F capacitor, and a 4 mH inductor are connected in series to a
sinusoidal voltage source of frequency 60 Hz. Then the equivalentimpedanceof the series combination is
ZDZRCZCCZL
DRC
1
j2fC
Cj2fL
D.15 /C
1
j2.60Hz/.300 10 ^6 F/
Cj2.60Hz/.4 10 ^3 H/
D.157:3340j/
where we have used the identity1=jDj.