Tuesday, 13 June 2017

Lime Battery

We wanted to see how a battery worked. We put a zinc nail and a piece of copper into a lime and connected it to a voltmeter.
One lime = 0.95 volts
two limes = 1.96 volts
3 limes = 2.9 volts and it lit up an led

Image result for how does it work
Does it depend on the size of the lime?
What if I put more nails and copper in?
Can I use different metals?



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