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Re: [Phys-l] three-way bulb



For an educational module on light bulbs, see:
<http://www.sci-ed-ga.org/modules/materialscience/light/index.html>

For details about 3-way bulbs, see:
<http://www.sci-ed-ga.org/modules/materialscience/light/pdf/section_09.pdf>

For details about how the light bub is made, see:
<http://www.sci-ed-ga.org/modules/materialscience/light/pdf/section_23.pdf>
pages 9-21

Larry Woolf
General Atomics

________________________________

From: phys-l-bounces@carnot.physics.buffalo.edu on behalf of Anthony Lapinski
Sent: Tue 4/4/2006 6:32 PM
To: tap-l@lists.ncsu.edu; tap-l@lists.ncsu.edu; phys-l@carnot.physics.buffalo.edu
Subject: [Phys-l] three-way bulb

1. A three-way bulb has two filaments, often 50 W and 100 W, which can be
connected separately or together. How is the base of such a bulb made, and
how are the filaments wired in it?