For the n-channel enhancement MOSFET shown in figure, the threshold voltage Vth = 2 V. The drain current ID of the MOSFET is 4 mA when the drain resistance RD is 1 kΩ. If the value of RD is increased to 4 kΩ, drain current ID will become

For the n-channel enhancement MOSFET shown in figure, the threshold vo

1.	For the n-channel enhancement MOSFET shown in figure, the threshold voltage Vth = 2 V. The drain current ID of the MOSFET is 4 mA when the drain resistance RD is 1 kΩ. If the value of RD is increased to 4 kΩ, drain current ID will become
A.	2.8 mA
B.	2.0 mA
C.	1.4 mA
D.	1.0 mA
Answer» D. 1.0 mA