555 Timer as Oscillator MCQs Quiz Online PDF Download

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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


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

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


MCQ: 555 timer consists basically of

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


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


MCQ: Astable mode is also called

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