# Best answer: How long will a potato power a light bulb?

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## How long will a potato battery last?

But if you use a big, solid piece of zinc, your battery could go for a really long time! A potato battery will last until the potato goes bad. It usually lasts up to 2-5 days.

## How much electricity can a potato generate?

One potato produces a stream of 0.8 watts. However, through the process of boiling a potato for 8 minutes and cutting it into four or five pieces you can increase the output by 10 times, leaving you with an output of 8 watts of electricity for about 40 days.

## How do you make a potato light work?

Take the wire connected to the penny in the half of potato with the nail and wrap some of it around the second nail. Stick that second nail into the other potato half. When you connect the two loose ends of the copper wires to the light bulb or LED it will light up [source: MathinScience].

## Can a banana be used as a battery?

The ionization tendency difference of Yin Yin and zinc big (comparing the ionization tendency difference of copper and zinc), but voltage output that should De Genggao is 1.259 volts through the actual direct voltage of measuring, and electric current is 1.17 milliamperes, confirms that banana can generate electricity, …

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## Why do potatoes produce more electricity than lemons?

They found that by simply boiling the potatoes for eight minutes, it broke down the organic tissues inside the potatoes, reducing resistance and allowing for freer movement of electrons– thus producing more energy.

## Do lemon batteries last forever?

The battery also needs electrodes, usually zinc and copper. Potato and lemon batteries will last as long as the electrolytes are present and the electrodes are intact. The battery won’t work if the potato or lemon dries out or if an electrode dissolves.

## Can a potato battery run out?

If it’s not hooked up to a wire, it will theoretically last until the potato goes bad. Also, it depends on how much zinc you have, because the zinc gets used up in the reaction that powers the battery. … But if you use a big, solid piece of zinc, your battery could go for a really long time!