Question $1$

:A$)$Given the following op$-$amp configuration, determine the following $($Assume Re$=0$ ohm$)$

B$)$ If Rf$=100$ohm and R$,=33$kohm, what is the closed loop voltage gain?

C$)$ If AcL $=67\mathrm{.}7$ and Rl $=10$kohm $,$ what is the value of Rf