Referring to this figure, calculate the voltage gain without feedback for the following circuit values: RD = 4 k, RS = 1 k, RF = 15 k, and gm = 5000 S.

Referring to this figure, calculate the voltage gain without feedback

1.	Referring to this figure, calculate the voltage gain without feedback for the following circuit values: RD = 4 k, RS = 1 k, RF = 15 k, and gm = 5000 S.
A.	20.0
B.	21.5
C.	23.5
D.	25.5
Answer» B. 21.5