Question: (a) Determine the length I of the 50-Ω short-circuited transmission line shown in Fig. 22.8a so that the input impedance is ZIN(l) = -j25Ω .
(b) Determine the length of the 50Ω open-circuited transmission line shown in Fig. 2.2.8b so that the normalized input admittance is YIN(l) = j2.