COMM212 Speech 2 - Tyler Dougherty Speech 2 How an incandescent light bulb works Attention Getter There are many things that we use every day and

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Tyler Dougherty Speech 2 How an incandescent light bulb works Attention Getter: There are many things that we use every day and don’t really notice how much we rely on them. One of the most useful objects we take for granted lights up our world every day. They can be small or big, round or cylindrical, white, black, or clear. The design of them hasn’t changed much since the late 1800’s and they couldn’t be much simpler. Only a handful of parts make up one of the most useful pieces of technology in our world. Hello, my name is Tyler Dougherty, I will be discussing how an incandescent light bulb works. I will also be describing the essential parts of a light bulb and how these parts come together to light up the world. Point 1 Essential parts: as I said, only a handful of parts slide change The obvious parts: -glass bulb -metal threaded contact, electrical foot contact, on the bottom-connect to end of electric circuit -the filament
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This note was uploaded on 11/06/2008 for the course COMM 212 taught by Professor Lee during the Fall '08 term at University of Delaware.

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COMM212 Speech 2 - Tyler Dougherty Speech 2 How an incandescent light bulb works Attention Getter There are many things that we use every day and

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