A certain NMOS transistor has
VGS(t) = 2 + 0.02 sin(wt) V
VDS(t) = 5V
iD(t) = 0.5 + 0.05 sin(wt) mA
Which small-signal parameter (gm or rd) can be determined from this information? What is its value? For what Q point (VGSQ, IDQ, and VDSQ) does this parameter apply?