Homework Statement
Find Vin/Vout
Homework Equations
Vout = Rf/R1(Vb-Va) ?
The Attempt at a Solution
I think the answer is the first one.
Answer choices:
Vin/Vout = -2, Rin = 100
Vin/Vout = -2, Rin = 200
Vin/Vout = -2.5, Rin = 100
Vin/Vout = -2.5, Rin = 200
Vin/Vout = -3, Rin = 100...