How 3-Way Lightbulbs Work
Episode 1 min 14s

How 3-Way Lightbulbs Work

From BrainStuff 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.

Community discussion

No posts yet

Be the first to start the conversation about How 3-Way Lightbulbs Work