12 Questions
Who is credited with the invention of the incandescent light bulb?
Thomas Edison
What is the main component of an incandescent light bulb?
Tungsten filament
What is the purpose of the glass bulb in an incandescent light bulb?
To protect the filament from oxidation
What happens to the tungsten filament in an incandescent light bulb when an electric current passes through it?
It becomes white hot and emits light
What is the typical lifespan of an incandescent light bulb compared to other types of bulbs?
Shorter
Which gas is usually present inside the glass bulb of an incandescent light bulb?
Argon
What effect does turning on an incandescent light bulb have on room temperature?
It increases room temperature slightly
What is one major drawback of incandescent light bulbs compared to other types of bulbs?
High energy consumption
Which of the following statements explains why incandescent bulbs are less energy-efficient than LED bulbs?
Incandescent bulbs produce more heat than LED bulbs.
What is one environmental concern associated with incandescent light bulbs?
They contain hazardous chemicals.
What role does the glass envelope play in an incandescent bulb?
To protect from humidity and moisture
What innovation led to significant improvements in incandescent light bulb efficiency?
The use of a halogen gas filling
Study Notes
The incandescent light bulb: history and development
The incandescent light bulb: a history
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Explore the history and development of the incandescent light bulb, a revolutionary invention that has illuminated the world for centuries. Delve into the origins, evolution, and impact of this iconic lighting technology.
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