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Old 04-21-2016, 06:09 AM
Blue Blistering Barnacle Blue Blistering Barnacle is offline
Join Date: Dec 2011
Posts: 5,363
Originally Posted by Irishman View Post
Correct. In order to make multiple cells out of one lemon, you need to isolate each pair of electrodes, i.e. slice the lemon. That way, the wires cross between slices.

The way it is shown, there is no way the series connected electrodes are contributing to the charge. With what is shown, each wired pair is a closed circuit.

So, and I think this was stated upthread, if you take the same configuration as in the photo, drop the wires (and the attempt to link in series) you could connect the in parallel and get more current (with greater metal surface area) but low voltage. You could wire up several similar lemons in series to step up the voltage.