Electric Bulb
Authored by Aiman Haque
Physics
Used 1+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the working principle of an electric bulb?
Conversion of electrical energy into light energy through the heating of a filament
Conversion of heat energy into electrical energy through the heating of a filament
Conversion of mechanical energy into light energy through the heating of a filament
Conversion of light energy into electrical energy through the heating of a filament
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who is credited with the invention of the first practical incandescent light bulb?
Alexander Graham Bell
Nikola Tesla
Benjamin Franklin
Thomas Edison
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What material is commonly used for the filament in an electric bulb?
aluminum
tungsten
cotton
plastic
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What gas is usually filled in the bulb to prevent the filament from oxidizing?
Hydrogen
Nitrogen
Oxygen
Argon(an inert gas)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the average lifespan of a standard incandescent light bulb?
500 hours
1,000 hours
5,000 hours
10,000 hours
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