Fluorescent light bulbs
Order ID:89JHGSJE83839 Style:APA/MLA/Harvard/Chicago Pages:5-10 Instructions:
Fluorescent light bulbs
Fluorescent light bulbs, also known as compact fluorescent lamps (CFLs), are a type of energy-efficient light bulb that are commonly used in households and businesses. They work by using a combination of gases and phosphors to produce light. In this article, we will discuss the history, functioning, benefits, and drawbacks of fluorescent light bulbs.
History
Fluorescent lamps were first developed in the early 20th century by Peter Cooper Hewitt, who invented a mercury-vapor lamp in 1901. In the 1930s, General Electric (GE) developed the first fluorescent light bulb that used a fluorescent coating to convert ultraviolet light into visible light. However, these early fluorescent lamps were bulky, expensive, and difficult to use.
It was not until the 1970s that compact fluorescent lamps (CFLs) were developed, which made them more practical for use in homes and businesses. Since then, they have become increasingly popular as a more energy-efficient alternative to traditional incandescent bulbs.
Functioning
Fluorescent bulbs work by passing an electric current through a gas-filled tube that contains a small amount of mercury vapor. This creates ultraviolet light, which is then absorbed by a layer of phosphor coating on the inside of the tube. This causes the phosphors to emit visible light.
Unlike incandescent bulbs, which generate light by heating a filament, fluorescent bulbs use a different method that is more energy-efficient. They consume less energy than incandescent bulbs and last much longer.
Benefits
One of the main benefits of fluorescent bulbs is their energy efficiency. They use about 75% less energy than traditional incandescent bulbs, which can lead to significant cost savings on energy bills. Additionally, they last up to 10 times longer than incandescent bulbs, which means that they need to be replaced less frequently.
Another benefit of fluorescent bulbs is their versatility. They are available in a range of sizes and colors, which makes them suitable for a variety of lighting applications. They can be used for task lighting, ambient lighting, and decorative lighting.
Drawbacks
While fluorescent bulbs have many benefits, they also have some drawbacks. One of the main drawbacks is their initial cost. Although they are more energy-efficient than incandescent bulbs, they are more expensive to purchase. However, the cost savings over the lifetime of the bulb can make up for this initial investment.
Another drawback of fluorescent bulbs is that they contain a small amount of mercury, which is a toxic substance. This means that they must be disposed of properly to avoid environmental contamination. Many communities offer special recycling programs for fluorescent bulbs to ensure that they are disposed of safely.
Conclusion
Fluorescent bulbs are a type of energy-efficient light bulb that use a combination of gases and phosphors to produce light. They offer many benefits, including energy efficiency, longevity, and versatility. However, they also have some drawbacks, such as their initial cost and the need for proper disposal due to the presence of mercury. Overall, fluorescent bulbs are an excellent choice for those looking to save energy and reduce their environmental impact.
Fluorescent light bulbs
RUBRIC
Excellent Quality
95-100%
Introduction 45-41 points
The background and significance of the problem and a clear statement of the research purpose is provided. The search history is mentioned.
Literature Support
91-84 points
The background and significance of the problem and a clear statement of the research purpose is provided. The search history is mentioned.
Methodology
58-53 points
Content is well-organized with headings for each slide and bulleted lists to group related material as needed. Use of font, color, graphics, effects, etc. to enhance readability and presentation content is excellent. Length requirements of 10 slides/pages or less is met.
Average Score
50-85%
40-38 points
More depth/detail for the background and significance is needed, or the research detail is not clear. No search history information is provided.
83-76 points
Review of relevant theoretical literature is evident, but there is little integration of studies into concepts related to problem. Review is partially focused and organized. Supporting and opposing research are included. Summary of information presented is included. Conclusion may not contain a biblical integration.
52-49 points
Content is somewhat organized, but no structure is apparent. The use of font, color, graphics, effects, etc. is occasionally detracting to the presentation content. Length requirements may not be met.
Poor Quality
0-45%
37-1 points
The background and/or significance are missing. No search history information is provided.
75-1 points
Review of relevant theoretical literature is evident, but there is no integration of studies into concepts related to problem. Review is partially focused and organized. Supporting and opposing research are not included in the summary of information presented. Conclusion does not contain a biblical integration.
48-1 points
There is no clear or logical organizational structure. No logical sequence is apparent. The use of font, color, graphics, effects etc. is often detracting to the presentation content. Length requirements may not be met
You Can Also Place the Order at www.collegepaper.us/orders/ordernow or www.crucialessay.com/orders/ordernow