Q3) Consider a CMOS process for which tox = 6 nm, μn = 460 cm2 /V.s, and VT = 0.5 V. (a) Find Cox and k'. (b) For an NMOS transistor with W/L = 20 μm/0.25 μm, calculate the values of VGS and minimum VDS needed to operate the transistor in the saturation region with ID = 0.5 mA.