Question

why cant we use a lemon instead of a potato for a potato battery?

Answer 1

one of the most interesting things about batteries is the way that different materials and the way in which they are used can affect the characteristics of the battery. This means they can affect the output voltage and the amount of current that the cell can deliver. They can also affect something called the "internal resistance" of the battery. A battery cell made with a potato might provide a different amount of current than a battery cell made with a lemon or an onion.

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