Feedback Oscillator Principles MCQs Quiz Online PDF Download

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Electronic devices practice test MCQ: voltage gain around closed feedback loop of oscillator must equal to with choices 1, 0, −∞ and ∞ problem solving skills for summative and formative assessment, competitive exam prep, interview questions with answer key. Free study guide is for online learning feedback oscillator principles quiz with MCQs to practice test questions with answers.

MCQs on Feedback Oscillator Principles Quiz PDF Download

MCQ. voltage gain around closed feedback loop of oscillator must equal to

  1. 1
  2. 0
  3. −∞

A

MCQ. For oscillation to begin, voltage gain around positive feedback loop must be

  1. 1
  2. greater than 1
  3. less than 1
  4. 0

B

MCQ. Phase shift around feedback loop must be effecti Vely

  1. 90°
  2. 120°
  3. 180°

A

MCQ. In positive feedback oscillators, output of an amplifier is feed back to input with

  1. 90° phase shift
  2. 120° phase shift
  3. 180° phase shift
  4. no phase shift

D

MCQ. Product of an amplifier gan and attenuation of feedback circuit is equals to

  1. current gain
  2. voltage gain
  3. resistance
  4. capacitance

B