Electronics and Communication Engineering - Analog Electronics - Discussion
Discussion Forum : Analog Electronics - Section 10 (Q.No. 27)
27.
The input resistance Ri of the amplifier shown in the figure
100 kΩ
40 kΩ
∞
Discussion:
5 comments Page 1 of 1.
Sayan said:
4 years ago
Answer should be 10k Ω.
Nari said:
6 years ago
Answer 10k ohm based on the virtual ground concept.
Zulu said:
6 years ago
Answer is 10KΩ.
Francis said:
8 years ago
Since Op-amp is ideal I think Rin must be infinite.
Ajit said:
9 years ago
I think it's 10 kΩ not 100 kΩ.
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