Figure $18 < 1$ -If $\mathrm { R } _ { f } = 100 \mathrm { k } \Omega$

Multiple Choice

Figure $18 < 1$
-If $\mathrm { R } _ { f } = 100 \mathrm { k } \Omega$ and $\mathrm { R } _ { \mathrm { i } } = 6.8 \mathrm { k } \Omega$ in Figure 18-1(c) , the voltage gain equals__________

A) -15.7
B) -1
C) -14.7
D) infinite