potatoes have salt and water which makes ions when are mixed. Ions are groups of atoms that make an electric net that has a positive and negative charge like a battery. Batteries charges things so why not a potato?
When it comes to fruits and vegetables, the one with the highest electric charge is the lemon. Lemons have a high acidity level due to their citric acid content, which allows them to conduct electricity well. This is why lemons are often used in science experiments to demonstrate basic principles of electricity.
Onion and potato are vegetables; lemon is a fruit.
A potato can power a clock because all fruits and vegetables have an electric current in them, so the potato's act like a battery and supply the clock with electricity.
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Potatoes and many other fruits and vegetables can produce an electric voltage. By pushing two different metal probes into the potato, a voltage can often be measured across the two probes. The metals must be different to each other and different combinations produce a range of voltages. Try different fruits and vegetables to see which are the most effective.
=rice,potatoes,yam,banana.and eggs=
tomato potato lemon orange apple
According to http://www.produceoasis.com/ , "ONLINE OASIS: Your source for information on fruits and vegetables", the average size of a russet potato is 148 grams = 5.2 ounces.
There are many vegetables and fruits that best to get vitamins like some are beetroot potato broccali cabbage carrots cauliflower celery and fruits that are good in vitamins are: Apricots Apple Banana Blackberries Cherries Grapes Kiwi
They mostly ate corn and other fruits and vegetables they would grow in farms.
I have looked at several pages and the two best ones were http://www.bbcgoodfood.com/content/recipes/ingredients/sweet-potato/ and http://allrecipes.com/recipes/fruits-and-vegetables/vegetables/sweet-potato/top.aspx. However, the second website was the better of the two as this has more choice and variety.
Potato is known to be able to conduct electricity relatively well due to its high water and electrolyte content. When a potato is used in a battery experiment, the electrolytes in the potato help facilitate the flow of electrical current. Other fruits and vegetables with high water content, such as lemons and tomatoes, can also conduct electricity to some extent.