MadSci Network: Engineering
Query:

Subject: Why are flashlights always made with the bulb at the + end of the battery?

Date: Mon Feb 22 15:40:35 1999
Posted by Darren Green
Grade level: K-3 School: Jefferson Elementary
City: Glendive State/Province: MT Country: USA
Area of science: Engineering
ID: 919719635.Eg
Message:

I can take a piece of wire and a flashlight bulb and hook it up 
on a battery and make it light up. It doesn't matter if I put 
the bulb at the + end of the battery or at the - end of the 
battery. So, why are all the flashlights at my house made with 
the bulb placed at the + end?


Re: Why are flashlights always made with the bulb at the + end of the battery?

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