What is meant by virtual ground in the op amp ?

Answer Posted / moumita

input resistance of the opamp is very high, so current is
cannot be flow through opamp and it passes through feedback
path. it create ground at input but it is not a actual
ground so we assume that it is virtual ground.

Is This Answer Correct ?    14 Yes 8 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Explain what is an fpga?

645


i want to get rrb solved paper of s.e. & j.e.. on my mail mraj.meena@gmail.com

1611


One week before i was joined in one rfid based company.i don't know about the future of that field.can you tell me that future.

1667


Explain what is the tri state of a signal?

587


Hi; May you please tell me that There are any best institute or training center in north India region like as Delhi NCR for Protocol stack development & testing, which are better for experienced & professional engg.

1555






what is a voltage controlled oscillator?

605


Explain the structure of entire GSM.

1491


What is a sample and hold circuit? Where it is used?

571


What is a multivibrator?

620


plz send me the website of dmrc for previous questions papers

1592


Define what is engineering?

620


What are power diodes?

791


What is diff b/w FIFA,FIPA,FIEA....?

2947


Explain zener breakdown?

770


Tell me something about IN call Flow and what is the difference between the flows in both GSM and CDMA technologies?

1705