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a Fruit or Vegetable battery is an experiment used in many science textbooks around the world, to offer students a basic insight into chemistry and physics.

It`s made by two different metal objects, for example galvanized nail (zinc coated) and a copper wire, into a lemon (or example). The copper wire acts like the positive end of a battery (cathode) and the galvanized nail acts as the negative end of a battery (anode). These act as electrodes, causing an electro chemical reaction which generates a small electrical charge. The aim of this experiment is to show how batteries work. After the battery is put together a voltage meter can be used to check the generated voltage.

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13y ago

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