Operational Amplifier » Exercise – 1
20. If feedback resistor in Q.15 is open, the voltage gain ………..
(a) increases
(b) decreases
(c) is not affected
(d) depends on R
Subject Name : Electronics Engineering Exam Name : IIT GATE, UPSC ESE, RRB, SSC, DMRC, NMRC, BSNL, DRDO, ISRO, BARC, NIELIT
Posts Name : Assistant Engineer, Management Trainee, Junior Engineer, Technical Assistant
Electronics & Communication Engineering Books
GATE 2023 Total Info ENGG DIPLOMA UGC NET Total Info IES 2023 Total Info PSUs 2022 Total Info CSIR UGC NET Total Info JAM 2023 Total Info M TECH 2023 Total Info RAILWAY 2022 Total Info
Related Posts
Operational Amplifier » Exercise - 122. A voltage follower .... (a) has a voltage gain of 1 (b) in noninverting (c) has no feedback resistor (d) has all of these- 555555555591. What is the voltage gain of the unity follower? (a) 0 (b) 1 (c) –1 (d) Infinity
- 555555555542. Negative feedback added to an op-amp ________ the bandwidth and ________ the gain. (a) increases, increases (b) increases, decreases (c) decreases, decreases (d) decreases, increases
- 5555555555194. The feedback resistor has a value of ______ in the given circuit (a) 2 k (b) 10.5 k (c) 21 k (d) 40 k
- 5555555555166. What is the output voltage? (a) 15 V (b) 5 V (c) –5 V (d) –15 V