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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

1. $2 \; \mathrm{M} \Omega$ and $2 \; k \Omega$
2. $2 \; \mathrm{M} \Omega$ and $\frac{20}{11} \; k \Omega$
3. infinity and $2 \; k \Omega$
4. infinity and $\frac{20}{11} \; k \Omega$