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Old 04-21-2016, 08:29 AM
Chronos Chronos is online now
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Join Date: Jan 2000
Location: The Land of Cleves
Posts: 75,139
Quoth Blue Blistering Barnacle:

I wonder if some distance would effectively isolate the nail pairs. Like, could you wire up nail pairs on opposite sides of a watermelon in series and get a step-up in voltage, or will the electrons "see" the nails on the other side of the melon.
Some, sure, but not very effectively. You'd need the internal resistance of the intervening fruit to be greater than the resistance of the rest of your circuit.