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how a light bulb works

light bulb
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how a light bulb works

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There are two types of light bulbs. An incandescent light bulb works by using an electrical current that hits an electrical wire. A fluorescent light bulb is lit by an electrical current passing through argon gas with mercury in a glass. Look here for more information: http://www.pa.msu.edu/sciencet/ask_st/06…

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