(D)

Figure $20 < 1$ -Refer to Figure 20-1 (A) $\mathrm { R } _ { 1 } = \mathrm { R } _ { 2 } = 28 \mathrm { k } \Omega$

Multiple Choice

(d)

Figure $20 < 1$

-Refer to Figure 20-1 (a) . If $\mathrm { R } _ { 1 } = \mathrm { R } _ { 2 } = 28 \mathrm { k } \Omega$ and $R _ { G } = 100 \Omega$ , the A_cl would be:

A) 551 .
B) 560 .
C) 56.1 .
D) 5.61 .