(Solved): - Problem2) Calculate the loop gain of the circuits shown below ,Assume the op amp exhibits an open ...

- Problem2) Calculate the loop gain of the circuits shown below ,Assume the op amp exhibits an open-loop gain of $A1$, but is otherwise ideal. Also, $?=0$. (a) (c) - Problem3) Using the results obtained in Problem 2, compute the closed-loop gain of the circuits