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Questions and Answers
What is the main purpose of static floor mats?
Why should the gold or silver leads on a component not be touched?
What distinguishes static shielding bags from static resistant bags?
Which materials should be avoided in the work area to prevent static buildup?
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How does humidity help in dealing with electrostatic discharge?
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What is one of the main risks associated with electrostatic discharge (ESD)?
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What is the recommended action for areas where static electricity is likely to build up?
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Which of the following best describes the characteristics of electrostatic discharge?
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What happens when two objects with different charge levels come into contact?
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What voltage level can damage a computer component due to electrostatic discharge?
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Which method is most effective in discharging yourself before touching PC components?
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What is electrostatic discharge (ESD)?
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What charge does an object acquire when it steals electrons from another object?
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Which statement about the visibility of electrostatic discharge is correct?
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What is one method to reduce the risk of ESD while working on a PC system?
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Why can you damage PC components without feeling it?
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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.