What is the difference between a 20 and 100 watt lightbulb?

Subject: What is the difference between a 20 and 100 watt lightbulb?

Date: Sun Nov 26 22:52:21 2000
Posted by Michael Hubbell
Grade level: undergrad School: No school entered.
City: San Antonio State/Province: Texas Country: USA
Area of science: Physics
ID: 975297141.Ph

Message:


I know that 20 and 100 watt lightbulbs provide different amounts of light 
but how? They are both used at the same voltage yet they each produce a 
different amount of light.

Re: What is the difference between a 20 and 100 watt lightbulb?

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