Highly acidic fruits produce electricity because they contain electrolytes. Electrolytes work with the electrodes to produce electricity. Oranges and lemons are examples of fruits with electrolytes.
Fruits such as lemons and tomatoes, and some vegetables like potatoes, contain positive ions that can attract electrons from metals such as zinc. This effect can be used to produce tiny amounts of...
Fruit does not normally produce electricity. However, the chemical potential (ions) in citric acid can be used to produce tiny amounts of electric current. A "battery" can be made using copper brads...
Fruits and vegetables as such does not actually produce electricity. They do however poduce various acids.These acids can and will together with various metals make it possible to shift electrons...