(thing) by r4c Thu Jan 11 2001 at 1:40:13

A electronic resistive element which is sensitive to light. Also called a photo resistor or LDR. When light is applied to the photocell, the resistance across the photocell decreases. As the light source dims (to complete darkness) the photocell exhibits more and more electrical resistance.

del.icio.us Furl Facebook Digg StumbleUpon Reddit   (I like it!)
Y'know, if you log in, you can write something here, or contact authors directly on the site. Create a New User if you don't already have an account.