QUESTION $1$

$0\mathrm{.}5$ points

For MOSFETs, we can't biased the transistor because of these kinds of transistors are:

a$.$ Work on pn junction

b$.$ Work on substrate

c$.$ Do not work on pn junction

d$.$ Work on channel

QUESTION $2$

$0\mathrm{.}5$ points

The relation between drain current $(I_D)$ and drain$-$source voltage $(V_{DS})$ of a JFET when the gate$-$source voltage