Operational Amplifiers 3 Questions and Answers

Take Exam

Operational Amplifiers (Op-Amps) questions with answers are a vital part of electronics aptitude tests and interviews. Topics like inverting and non-inverting amplifiers, voltage followers, and comparator circuits often appear in exams like GATE, DRDO, and ISRO. Understanding parameters such as gain, input offset voltage, and slew rate helps candidates solve circuit-based problems efficiently. This collection of Op-Amp aptitude questions with detailed explanations allows learners to strengthen analytical and conceptual understanding, preparing them for both academic and professional evaluations. Practice these Op-Amp problems to boost your preparation for electronics-based aptitude and technical interviews.

Operational Amplifiers 3

Showing 10 of 45 questions

41. All practical op-amps have input bias currents and voltages that produce output error voltages.

  • TRUE
  • FALSE
Show Answer Report

42. When the open-loop gain of an op-amp is reduced by negative feedback, the bandwidth is increased.

  • TRUE
  • FALSE
Show Answer Report

43. Open-loop gain of an op-amp is the voltage gain without feedback.

  • TRUE
  • FALSE
Show Answer Report

44. Open-loop gain is always smaller than closed-loop gain.

  • TRUE
  • FALSE
Show Answer Report

45. The common-mode rejection ratio (CMRR) is a measure of an op-amp's ability to reject common-mode input signals.

  • TRUE
  • FALSE
Show Answer Report
Questions and Answers for Competitive Exams Various Entrance Test