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lemons_thumbnail.jpgDo lemons make good batteries?

 

 

 

pao_lemons.jpg

 

 

 

 

 

 

 

 

 

 

 

 

 

Pao is testing to see if lemons make a good replacement for batteries in our circuits. Using a copper nail for the positive terminal and a zinc coated nail for the negative terminal he was able to detect a current but, alas, it wasn't enough to light the bulb.

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