If Rf opens in a non-inverting amplifier A) the gain is unity ...

[wrbasek0]

If Rf opens in a non-inverting amplifier
 
  A) the gain is unity B) there is no output
  C) it is usually driven into saturation D) the gain increases

Question 2

An inverting amplfier has values of Rin = 1.1 k, Rf = 2.2 k and Zout = 75 . The value of Zin is
 
  A) 76 k B) 2.2 k C) 1.1 k D) 2.42 k

[dantucker]

Answer to Question 1

C

Answer to Question 2

C

[wrbasek0]

Thanks for the timely response, appreciate it

[kusterl]

Great answer, keep it coming