The approximate input impedance of the opamp circuit which has Ri=10k, Rf=100k, RL=10k?

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A110k

B10k

C120k

Correct answer

A. 110k

Explanation

The correct answer is 110k.

The approximate input impedance of the opamp circuit which has Ri=10k, Rf=100k, RL=10k? - Answer and Explanation | Academy of Pakistan