Homework Help: science

Posted by kayla on Monday, May 18, 2009 at 6:48pm.

i have a picture of a battery a light bulb and a wire. i know to light the bulb it has to be a closed circuit. does it have to have 2 wires or can a closed circuit have only one wire?

science - SraJMcGin, Monday, May 18, 2009 at 7:22pm
Try for information here:

http://www.google.com/search?q=how+many+wires+can+a+closed+circuit+have&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a

Sra

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