Primary exam practice questions (50 questions)

Explore these easy primary level practice questions with 50 sample questions and a sample file, designed for effective exam preparation and practice.

Question 7

What does the trigger pin (Pin 2) do in a 555 timer?

Outputs the generated waveform Resets the timer when pressed Supplies power to the IC Starts the timing cycle when voltage drops below 1/3 Vcc

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