For the n-channel MOS transistor shown in the figure, the threshold voltage VTh is 0.8 V. Neglect channel length modulation effects. When the drain voltage VD = 1.6 V, the drain current ID was found to be 0.5 mA. If VD is adjusted to be 2 V by changing the values of r and VDD, the new value of ID (in mA) is

For the n-channel MOS transistor shown in the figure, the threshold vo

1.	For the n-channel MOS transistor shown in the figure, the threshold voltage VTh is 0.8 V. Neglect channel length modulation effects. When the drain voltage VD = 1.6 V, the drain current ID was found to be 0.5 mA. If VD is adjusted to be 2 V by changing the values of r and VDD, the new value of ID (in mA) is
A.	0.625
B.	0.75
C.	1.125
D.	1.5
Answer» D. 1.5

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