Question $8$

a$.$ Determine the voltage and current in the following circuit for each of the switch positions shown. Assume: $2$ N $7000$ is N$-$CH$,$ Enhancement, $V_{DD}>V_{GS--\text{T}\text{H}\text{R}\text{E}\text{S}\text{H}\text{o}\text{l}\text{d}\text{,}}$ and $R_{DS}($ON$)$ is approx. $0.[4]$

$V_{GS}=$

$I_{GS}=$

$I_D=$

$V_{DS}=$

$V_{GS}=$

$$

$I_{GS}=$

$$

$I_D=$

$$

$V_{DS}=$

$$

b$.$ Determine the power dissipated by Q $1$ when SW $1$ is connected to $5$ V if $R_{DS(ON)}=1$ohm. $[1]$

c$.$ Explain the difference between an enhancement$-$ and depletion$-$mode FET. $[1]$