Basic Op-Amp Circuits 1 Questions and Answers
Operational amplifiers (Op-Amps) are essential building blocks in analog electronics and are frequently included in competitive engineering exams. In this section, you will find Basic Op-Amp Circuits Questions with Answers focusing on inverting, non-inverting, summing amplifiers, comparator circuits, and differential amplifiers. These reasoning-focused technical questions are structured to support exam preparation for GATE, UGC NET, SSC JE, ISRO, DRDO, and ECE placement interviews. The topic uses exam-style multiple-choice questions and explanation-based answers to build clarity for students preparing for electronics aptitude tests and technical rounds. Practicing these questions helps learners understand amplifier gain calculation, input-output relationship, feedback mechanisms, and signal amplification principles—key topics requested by companies hiring electronics engineers.
Basic Op-Amp Circuits 1
22. In an op-amp comparator, when the input voltage exceeds a reference voltage, the voltage output changes state.
- TRUE
- FALSE
24. Bounding allows the output of a comparator to be an unlimited voltage.
- TRUE
- FALSE
25. The difference between the UTP and the LTP is the hysteresis voltage.
- TRUE
- FALSE
26. The output of an op-amp comparator will be zero when the input voltage exceeds the reference voltage.
- TRUE
- FALSE
27. A positive feedback network for hysteresis improves an op-amp comparator's noise immunity.
- TRUE
- FALSE