How 3-Way Lightbulbs Work
from BrainStuff Hosted by iHeartPodcasts
A 3-way bulb contains two filaments, and these filaments have differing wattages. Depending on the setting, the filaments operate separately or together to create the appropriate amount of light. Learn more about 3-way bulbs in this HowStuffWorks podcast. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com
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This episode was published on August 1, 2008.
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