Kiwi
yes
any citrus fruit (such as lemons and limes) is a good conductor of electricity
Copper is the best conductor of electricity among the options provided. Oxygen, wood, and paper are insulators and do not conduct electricity well.
Potato
Good conductors of electricity are copper, aluminum, and silver. In all elements that can conduct electricity, silver was said as the best, in terms of conducting electricity.
The 10 best metals for conducting electricity and heat are silver, copper, gold, aluminum, brass, iron, steel, platinum, titanium, and nickel. These metals have high thermal and electrical conductivity, making them valuable for various applications in electronics, construction, and manufacturing.
I would say that salt water would conduct electricity best.
To test which fruit conducts electricity best, you will need fruits such as lemons, apples, and bananas, along with a multimeter to measure conductivity. Additionally, you will require some wires with alligator clips to connect the fruit to the multimeter for testing.
A lemon is commonly used to make a simple battery due to its acidic properties that generate a small amount of electricity when combined with other materials like metal.
Diamond is not a good conductor of electricity. It is actually an insulator, meaning it does not conduct electricity well. Diamond's structure lacks free electrons needed for conducting electricity, unlike metals which are excellent conductors.
Find a digital multimeter (fairly inexpensive) and stick the test leads into different ends of a piece of fruit. Use the "ohms" setting on the meter. The fruit that has the lowest reading will have the best conductivity.
Copper (Cu) is the most common metal used in conducting wire. If you have the money the best conductor (excluding super cooled super conductors) would be pure silver (Ag).