How does a potato produce electricity?
Credit: net_efekt CC-BY 2.0
Q:

How does a potato produce electricity?

A:

Quick Answer

According to the BBC, potatoes produce electricity by virtue of their acidic juice, which reacts with two electrodes placed in the potato. The chemical reaction produces a weak current between the two electrodes.

  Know More

Full Answer

The negative electrode, which is called the anode, is usually made from zinc, while the positive electrode, which is called the cathode, is usually made from copper. This electrical phenomenon was first discovered by Luigi Galvani in 1780, who was experimenting on frogs with electrodes. This same phenomenon works with a variety of other organic materials, including dirt, paper soaked in saltwater, and other fruits and vegetables, such as lemons.

Learn more about Electricity
Sources:

Try a quiz

Related Questions

  • Q:

    Why is electricity important?

    A:

    Electricity is important because it is versatile, controlled easily and is used in everyone's daily life. Without electricity, humans would have to use other forms of energy that are less efficient.

    Full Answer >
    Filed Under:
  • Q:

    Why is electricity dangerous?

    A:

    According to the Occupational Safety & Health Administration, electricity is dangerous because it can cause burns, nerve damage, cardiac arrest and death. Alliant Engery also notes that the majority of the human body is composed of water, which makes it a good conductor of electricity.

    Full Answer >
    Filed Under:
  • Q:

    What does electricity do?

    A:

    Electricity, the flow of electric charge, powers much of the technology used in modern society. The Energy Information Administration explains that electricity is a secondary source of energy, meaning that it comes from the conversion of other energy sources.

    Full Answer >
    Filed Under:
  • Q:

    What is mA in electricity?

    A:

    The abbreviation "mA" denotes the International System unit for electrical current known as the milliampere. One milliampere is equal to one-thousandth of an ampere. The unit is named for the 18th and 19th century French physicist Andre-Marie Ampere, who studied electromagnetism.

    Full Answer >
    Filed Under:

Explore