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In a 555 timer, what is the purpose of the discharge pin (Pin 7)?

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Question: In a 555 timer, what is the purpose of the discharge pin (Pin 7)?

Options:

  1. To trigger the timer
  2. To reset the timer
  3. To discharge the timing capacitor
  4. To provide power to the timer

Correct Answer: To discharge the timing capacitor

Solution: 

The discharge pin (Pin 7) is used to discharge the timing capacitor when the output goes low, allowing the timer to reset for the next cycle.

In a 555 timer, what is the purpose of the discharge pin (Pin 7)?

Practice Questions

Q1
In a 555 timer, what is the purpose of the discharge pin (Pin 7)?
  1. To trigger the timer
  2. To reset the timer
  3. To discharge the timing capacitor
  4. To provide power to the timer

Questions & Step-by-Step Solutions

In a 555 timer, what is the purpose of the discharge pin (Pin 7)?
  • Discharge Functionality – The discharge pin in a 555 timer is responsible for discharging the timing capacitor, which is crucial for resetting the timer for subsequent cycles.
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