Electronic Devices and Circuits University Questions for Exams PDF Download

Learn electronic devices and circuits university questions for exams, electronic devices FAQs for online MCQs based test prep. These frequently asked questions has multiple choice questions (MCQ), electronic devices quiz questions and answers as circuit that operates with positive feedback and produces a time varying output signal without an input external signal is called, answer key with choices as feed forward oscillator, feedback oscillator, straight back oscillator and open loop oscillator for competitive exam preparation. Free frequently asked questions are to learn electronic devices and circuits university questions for exams quiz online with MCQs to practice test questions with answers.

FAQs Electronic Devices and Circuits University Questions for Exams Download PDF

MCQ. Circuit that operates with positive feedback and produces a time varying output signal without an input external signal is called

  1. feed forward oscillator
  2. feedback oscillator
  3. straight back oscillator
  4. open loop oscillator

B

MCQ. Circuit that produces an output which approximates instantaneous rate of change of input function is called

  1. integrator
  2. differentiator
  3. tyristor
  4. subtractor

B

MCQ. A mode of operational amplifier in which two opposite polarity signal voltages are applied to two inputs is called

  1. difference mode
  2. differential mode
  3. integral mode
  4. determinant mode

B

MCQ. Diac are basically

  1. BJT
  2. FET
  3. tyristors
  4. diodes

C

MCQ. Process of returning a portion of a circuit's output back to input in such a way as to oppose or aid a change in output is called

  1. feed forward
  2. feedback
  3. straight back
  4. open loop

B