Introduction of 555 Timer MCQs Quiz Online PDF Download

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MCQs on Introduction of 555 Timer Quiz PDF Download

MCQ: Pin 8 of 555 timer IC consist of

  1. voltage supply
  2. output
  3. ground
  4. discharge


MCQ: 555 timer pin 1 has

  1. ground
  2. trigger
  3. output
  4. reset


MCQ: Standard 555 package includes

  1. 2 transistors
  2. 10 transistors
  3. 12 transistors
  4. 25 transistors


MCQ: 555 timer pin 2 has

  1. discharge
  2. trigger
  3. threshold
  4. reset


MCQ: In 555 timer, reset is present at pin

  1. 1
  2. 4
  3. 8
  4. 2