Electronics - Operational Amplifiers - Discussion

Discussion Forum : Operational Amplifiers - General Questions (Q.No. 47)

Operational Amplifiers

47.

The magnitude of closed-loop voltage gain (A_cl) of an inverting amplifier equals:

the ratio of the input resistance to the feedback resistance

the open-loop voltage gain A_ol

the feedback resistance divided by the input resistance

the input resistance

Answer: Option

Explanation:

No answer description is available. Let's discuss.

Discussion:

2 comments Page 1 of 1.

Keerti said: 1 decade ago

Inverting gain = -Rf/R1.

Waheed said: 9 years ago

Inverting G = -rf/r1.

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