Electronic Devices - Op-Amp Applications - Discussion

Discussion Forum : Op-Amp Applications - General Questions (Q.No. 1)
1.
Calculate the output voltage for this circuit when V1 = 2.5 V and V2 = 2.25 V.

–5.25 V
2.5 V
2.25 V
5.25 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
22 comments Page 2 of 3.

Charan said:   7 years ago
Why they took 2R1 in the formula?

Anyone explain me.
(1)

Raji said:   1 decade ago
Output is = v1+v2 = 4.75 then = 10-4.75 = 5.25.
(1)

Mathi said:   1 decade ago
Output Voltage = (Rf/R1)(1+(2R'/R))(v1-v2).

Nisha said:   1 decade ago
Why you have considered 2R1 in the formula?

Sachin said:   9 years ago
v0 =A * (V2 - V1),

A = 1 + (2 * 5k)/500.

Masta said:   1 decade ago
What is Rf and R1? I don't get it.

Wasim said:   9 years ago
Is it instrumentation amplifier?
(1)

Prachi Tewari said:   9 years ago
@Arnesh Sen answer is correct .

Chandan natkar said:   1 decade ago
Vo=(1+(Rf/R1)(Rf2/R2)[V1-V2]

Raghuraj Gautam said:   4 years ago
Thanks for explaining.
(1)


Post your comments here:

Your comments will be displayed after verification.