2.1.3 Electrostatic Discharge
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2.1.3 Electrostatic Discharge

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Questions and Answers

What is the main purpose of static floor mats?

  • To enhance grip on the floor
  • To protect against physical damage
  • To prevent electrical charge buildup (correct)
  • To provide comfort while standing
  • Why should the gold or silver leads on a component not be touched?

  • They attract dust and debris
  • They are conductive materials that may cause a short circuit (correct)
  • They can become damaged easily
  • They require special tools to handle
  • What distinguishes static shielding bags from static resistant bags?

  • Static resistance bags provide a lower level of ESD protection (correct)
  • Static shielding bags are thicker than static resistant bags
  • Static shielding bags are blue, while static resistant are gray
  • Static resistant bags can also be used for liquids
  • Which materials should be avoided in the work area to prevent static buildup?

    <p>Plastic and Styrofoam</p> Signup and view all the answers

    How does humidity help in dealing with electrostatic discharge?

    <p>It prevents static electricity from accumulating</p> Signup and view all the answers

    What is one of the main risks associated with electrostatic discharge (ESD)?

    <p>It may instantly destroy a PC component</p> Signup and view all the answers

    What is the recommended action for areas where static electricity is likely to build up?

    <p>Use static prevention measures like static mats</p> Signup and view all the answers

    Which of the following best describes the characteristics of electrostatic discharge?

    <p>Small amounts of voltage can ruin components</p> Signup and view all the answers

    What happens when two objects with different charge levels come into contact?

    <p>Electrons jump from one object to another.</p> Signup and view all the answers

    What voltage level can damage a computer component due to electrostatic discharge?

    <p>100 volts or less</p> Signup and view all the answers

    Which method is most effective in discharging yourself before touching PC components?

    <p>Touching the case frame of the PC system</p> Signup and view all the answers

    What is electrostatic discharge (ESD)?

    <p>The flow of electrical energy due to contact between two differently charged objects</p> Signup and view all the answers

    What charge does an object acquire when it steals electrons from another object?

    <p>It becomes positively charged</p> Signup and view all the answers

    Which statement about the visibility of electrostatic discharge is correct?

    <p>An ESD discharge must be about 3,000 volts before it can be felt or seen.</p> Signup and view all the answers

    What is one method to reduce the risk of ESD while working on a PC system?

    <p>Use a static mat to equalize electrical potential</p> Signup and view all the answers

    Why can you damage PC components without feeling it?

    <p>Because small discharges can be below the sensation threshold</p> Signup and view all the answers

    Study Notes

    Electrostatic Discharge (ESD)

    • ESD is a major concern for PC technicians, as it can damage sensitive components.
    • ESD occurs when two objects with differing electrical charges come into contact.
    • ESD can occur with as little as 100 volts, and though this is significantly lower than household voltage, it can still damage components.
    • ESD can be present in systems, yet not noticeable to humans, as it requires at least 3,000 volts for a person to feel it.

    ESD Prevention

    • Discharge Yourself: Touching the PC case before handling components helps dissipate static charges you may have built up.
    • Static Mats: Using mats and floors designed with anti-static properties balances your electrical potential with that of your surroundings, preventing charge buildup.
    • Safe Handling: Avoid touching the gold/silver leads of components or connectors, as these are vulnerable pathways for ESD to enter components.
    • Static Shielding Bags: Store components in these specialized bags which contain an extra layer that absorbs electrical discharges, preventing damage from static buildup.
    • Remove Static-Producing Materials: Plastic and Styrofoam can generate and retain static charges, which can damage components. Avoid these materials in your work area.
    • Humidity: Higher humidity levels help to prevent ESD. Dry air is a conductor of static electricity, so maintaining a relatively humid environment is beneficial for protecting components.

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    Description

    This quiz covers the essentials of Electrostatic Discharge (ESD) and its significance for PC technicians. Learn about the causes of ESD, its effects on electronic components, and proven prevention techniques. Understand how to safely handle sensitive hardware and mitigate risks associated with static electricity.

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