What is meant by virtual ground in the op amp ?

Answer Posted / kishor mahale

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 ?    128 Yes 46 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What are the advantages of single phase bridge converter over single phase mid-point converter?

1138


explain the output of the lexical analyser is

2734


What is intrinsic semiconductor ?

626


What is normal radiation field out side the reactor building?

1303


hi all iam going to give AAI tech exam i did my BE in electronics and communication if any one have any sample papers and SYLLABUS for it please plzzzzzzzzzzzzz for my career mail me at neha_sheokand11@yahoo.co.in

1401






how to answer for the question what is your strength and weakness?

1670


How does frequency affect the size of smps?

573


What is the difference between power diode and signal diode?

584


what is the min persentage for applying group exams for B.tech students

1856


which is the syllabus of the ongc next month exam pls send me on my mail id..

1597


what is a state table?

598


What is dma controller?

646


What is ascii in reference to electronics?

666


i in 4th year electronics engineering. i ask about ideas for graduaring projects?

1650


What are the popular ic packages available?

715