Electronic Devices - Operational Amplifiers - Discussion

Discussion Forum : Operational Amplifiers - General Questions (Q.No. 54)
54.

Refer to the given figure. A dc voltage of –1.2 V is applied. VCC = ±12 V. What is the output voltage?

1.2 V
–1.2 V
0 V
12 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Bogobindbo said:   4 years ago
Since gain is 1. Then Vo = Vin = -1.2v.

Gobind said:   1 decade ago
The answer should have been +1.2 V because in voltage follower, output voltage is in phase with input.

Taruna said:   1 decade ago
Because gain of voltage follower is unity
thats why Vout=Vin

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