An operational-amplifier circuit is shown in the figure.The output of the circuit for a given input v1 is

\(- \left( {\frac{{{R_2}}}{{{R_1}}}} \right){v_i}\)

\(- \left( {1 + \frac{{{R_2}}}{{{R_1}}}} \right){v_i}\)

\(\left( {1 + \frac{{{R_2}}}{{{R_1}}}} \right){v_i}\)

An operational-amplifier circuit is shown in the figure.The output of

1.	An operational-amplifier circuit is shown in the figure.The output of the circuit for a given input v1 is
A.	\(- \left( {\frac{{{R_2}}}{{{R_1}}}} \right){v_i}\)
B.	\(- \left( {1 + \frac{{{R_2}}}{{{R_1}}}} \right){v_i}\)
C.	\(\left( {1 + \frac{{{R_2}}}{{{R_1}}}} \right){v_i}\)
D.	+ Vsat or - Vsat
Answer» E.