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[Phys-l] AC LED demonstrator

Hi all:

I remember seeing a set-up made up with a power cord connected directly to a
wall outlet and used to demonstrate ac currents. I saw two versions of the
set up, one with a red LED and the other with a bicolor LED. I am hoping
that one of you has information on how to build one.


Taha Mzoughi
Associate Professor
Dept. of Biology and Physics
Kennesaw State University
1000 Chastain Rd., #1202
Kennesaw, GA 30144-5591
Office: 678 797 2152
FAX: 770 302 4202