555 Timer as Oscillator MCQs Quiz Online PDF Download

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Electronic devices practice test MCQ: when 555 timer is configured as an astable multi vibrator, its duty cycle is determined by with choices internal resistors, external resistors, capacitors and inductors problem solving skills for summative and formative assessment, competitive exam prep, interview questions with answer key. Free study guide is for online learning 555 timer as oscillator quiz with MCQs to practice test questions with answers.

MCQs on 555 Timer as Oscillator Quiz PDF Download

MCQ. When 555 timer is configured as an astable multi Vibrator, its duty cycle is determined by

  1. internal resistors
  2. external resistors
  3. capacitors
  4. inductors

B

MCQ. In astable mode of 555 timer, control pin is decoupled by

  1. resistor
  2. inductor
  3. capacitor
  4. supply

C

MCQ. 555 timer consists basically of

  1. one comparator
  2. two comparators
  3. three comparators
  4. four comparators

B

MCQ. An integrated circuit which is used in a Variety of timer, pulse generation, and oscillator applications is

  1. 555 timer
  2. 7806IC
  3. 7909IC
  4. 225IC

A

MCQ. Astable mode is also called

  1. bounded mode
  2. free running mode
  3. single le Vel mode
  4. neutral mode

B