GATE ECE 2005 | Question: 78

Question

Common Data Questions 78, 79, 80
Given, $r_{d}=20 \; \mathrm{k} \Omega, \mathrm{I}_{\mathrm{DSS}}=10 \mathrm{~mA}, \mathrm{~V}_{p}=-8 \mathrm{~V}$

$Z_1$ and $Z_0$ of the circuit are respectively

• A. $2 \; \mathrm{M} \Omega$ and $2 \; k \Omega$
• B. $2 \; \mathrm{M} \Omega$ and $\frac{20}{11} \; k \Omega$
• C. infinity and $2 \; k \Omega$
• D. infinity and $\frac{20}{11} \; k \Omega$