Using the characteristics of Fig. 6.11:
a. Determine the difference in drain current (for VDS > VP) between VGS = 0V and VGS = -1 V.
b. Repeat part (a) between VGS = -1 and -2 V.
c. Repeat part (a) between VGS = -2 and -3 V.
d. Repeat part (a) between VGS = -3 and -4 V.
e. Is there a marked change in the difference in current levels as VGS becomes increasingly negative?
f. Is the relationship between the change in VGS and the resulting change in ID linear or nonlinear? Explain.