Figure 3
-Refer to Figure 3. Rin is approximately
A)1.0 k▲
B)1.8 k▲
C)4.5 k▲
D)2.7 k▲

Name: Figure 3 -Refer to Figure 3. Rin is approximately A)1.0 k▲ B)1.8 k▲ C)4.5 k▲ D)2.7 k▲
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Question

Figure 3
-Refer to Figure 3. Rin is approximately
A)1.0 k▲ 
B)1.8 k▲ 
C)4.5 k▲ 
D)2.7 k▲

Quizplus · Accepted Answer

Rin is in parallel with Rf, so the equivalent resistance of Rin and Rf is:1/Req = 1/Rin + 1/Rf1/Req = 1/1.8k + 1/2.7kReq = 1.0k

Figure 3 -Refer to Figure 3. Rin Is Approximately