$40\%$ Use $x=4\mathrm{.}3+15\frac{?}{10}.$

The NMOS transistor in the circuit shown has $k=0\mathrm{.}12m\frac{A}{V^2}$ and $V_1=1V.$

Assume VDD $=18V,V_{DS}=xV,R_2=6k,$ and $R_3=12k.$

a$)$ Find $V_{GS}$

b$)$ Find the current in $R_2$

c$)$ Find $ID$

d$)$ Find the circuit power dissipation

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$2.30\%$ Use $x=15+15/5.$

For the MOSFET inverter shown, find the value of the resistor $R_D$ to get an output voltage of $xmV$ when the input voltage is equal to $V_{DD}=5V.$ The MOSFET has $k=2\mathrm{.}4m\frac{A}{V^2}$ and $V_t=1V.$

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$3.[40\%]$ Use $x=1+15\frac{?}{100}.$

The MOSFETs in the circuit shown are identical and have $k=1m\frac{A}{V^2}$ and $=0\mathrm{.}12V^{-1}.$ They are biased in saturation at the same VoV$=1V.$

Find the power dissipated in MOSFET $M_1$ when $R=xk.$

Note: the MOSFET power dissipation is the product $($