1 votes 1 votes In the two port network shown in the figure below, $z_{12}$ and $z_{21}$ are, respectively $r_e$ and $\beta r_o$ $0$ and $-\beta r_o$ $0,$ and $\beta r_o$ $r_e$ and $-\beta r_o$ Others gate2006-ec + – admin asked Sep 20, 2022 • edited Feb 25, 2023 by Lakshman Bhaiya admin 46.4k points 108 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.