An op-amp comparator circuit uses which of the following
a. positive feedback
b. negative feedback
c. active feedback
d. no feedback

Answer Posted / parivel

Positive feedback

Is This Answer Correct ?    4 Yes 5 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Define what is engineering?

617


What is meant by forced commutation?

632


why the exchang voltge is in minus polarty i.e -48 instead of +48

1569


How to E1 cable get 2.046 mbps.

1504


What is piv of a diode in a rectifier circuit?

593






Pls send Syllabus of Jr.Eng grade2 electronics e.n.no 02/2008 & model qustions to my id amarlalmeppurath@yahoo.com

1547


how to calculate qty. of random rubble masonary in retaining wall?

1831


i want to know the rrb section engg. the question paper also with interview questions.pls mail me at shekharmunna130@gmail.com

1333


How to measure frequency without cro?

602


Define mobility of a carrier. Show that the mobility constant of electron is larger than that of a hole.

563


What is snubber circuit?

615


What is the significance of the arrow-head in the transistor symbol?

927


What is step down cyclo-converter?

610


which book is good for electronics aptitude test?

6399


What are the disadvantages of pwm control?

556