MadSci Network: Physics

Subject: How can I increase the voltage in a potato battery?

Date: Mon Feb 24 09:48:24 2003
Posted by John
Grade level: 4-6 School: Clough Pike Elementary
City: Cincinnati State/Province: oh Country: usa
Area of science: Physics
ID: 1046098104.Ph

I am working with my son to create a potato battery, and have used the 
suggestions in your site to create one.  However, when hooking up several 
batteries in serial to increase voltage, we seem get 'diminishing returns'.  
Even though  6 potatoes individually produce about .5V, attached in serial, we 
can't get the volrage above 2V?  Any thoughts on what we might be doing wrong?

Re: How can I increase the voltage in a potato battery?

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