In a Common Drain (CD) MOSFET amplifier with voltage divider bias with R1 and R2 equal to 1.5 MΩ and 1 MΩ respectively, the input impedance Zf is:

In a Common Drain (CD) MOSFET amplifier with voltage divider bias with

1.	In a Common Drain (CD) MOSFET amplifier with voltage divider bias with R1 and R2 equal to 1.5 MΩ and 1 MΩ respectively, the input impedance Zf is:
A.	220 kΩ
B.	600 kΩ
C.	470 kΩ
D.	200 kΩ
Answer» C. 470 kΩ