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In this video we will show you how to get electricity from a potato or other vegetables or fruits. For the experiment we need: 5 potatoes 5 galvanized nails 5 pieces of copper wire 5 rubber bands red diode optionally a meter (voltmeter) With this method we can also get electricity from a cucumber, orange, tangerine, apple. In this experiment we show the principle of operation of a galvanic cell. http://chemia.wpt.kpswjg.pl/semestr2/...