Do You See the Light?

What do you know about this invention?

 

Quiz ID:	#28213
Fun:	(2.26)
Difficulty:	(1.85)
Category:	Technology > Gadgets
Created By:	4wheels

 

#1   Who invented the first light bulb?

Thomas Edison
Humphry Davy
Ben Franklin
Rose Smith

#2   How long does an average incandescent light bulb last before you need to replace it?

500 hours
300 hours
800 hours
600 hours

#3   In which U.S. state was the first light bulb showcased to the public?

Your Answer: 2 words, 7 letters. There are 2 alternate answers. (Show Hint)

#4   There is air inside a light bulb.

True
False

#5   What is the filament's function in a light bulb?

It is the piece of metal that gets so hot that it glows.
It carries the electricity to the light bulb.
It is the outside of the light bulb.
It stops the bulb from blowing up.

#6   Fluorescent light bulbs contain mercury.

True
False

#7   Which type of gas is most often used inside of a light bulb?

Argon
Carbon
Helium
Methane

#8   What are LED light bulbs mostly used for?

Electronic Devices
Head lights
Flash lights
Lamps

#9   When in use, what is the average temperature of the filament?

3,600 degrees Fahrenheit
4,000 degrees Fahrenheit
500 degrees Fahrenheit
7,000 degrees Fahrenheit

#10   What is the main problem when using a halogen light bulb?

They produce a lot of heat.
They are very expensive.
They use a lot of energy.
They are hard to find.

 

 

Comments

You cannot read comments until you complete the quiz.

To post a comment, please visit the Full Site

Back to Top

Copyright © 1999-2007 | Green | Privacy | Conditions
You are using the TV formatted version of Braingle. For more functionality, please visit the Full Website.

	Web Braingle.com