Q56
Consider an inverting amplifier with a feedback resistor R2 = 10 kΩ and an op-amp with parameters; AoL = 105 and Ri = 10 kΩ. Assuming the output resistance R0 of the op-amp is negligible, the closed-loop input resistance at the inverting terminal of an inverting amplifier will be nearly:
A.
0.4 Ω
B.
0.2 Ω
C.
0.1 Ω
AnswerD.
0.05 Ω
Answer: Option C
Solution
Answer: Option C
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