When I put a 9v battery on my tongue why does it tingle?

When I put a 9v battery on my tongue why does it tingle?

by: Dean Janse Van Vuuren
November 2020
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To get the answer to this wonderful question, you need to know the basics of electricity. It all starts with understanding Ohm’s Law. According to this law, a licking on the tongue, or shock in any body part will be experienced if even a small charge of electricity passes through a conductor. A conductor is a body that allows electricity to pass through it and the human body is a very good conductor of electricity. It has been assumed that dry skin on the human body or body parts that contain more dead cells are resistant to electricity and current. You will not feel any shock or tingling if you put a 9 volt battery on your nails or hair because current cannot pass through them, while blood is a conductor and blood flowing behind your wet tongue will create a tingling effect.

It shows that current and electrical charges pass through the tongue because the thin, wet membrane of your tongue will not resist the charge. The charged terminals of the 9-volt battery will not even shock your body’s skin. You can try it by putting both terminals of the 9 volt battery on any part of skin or muscle tissue, there will be no shock, but once you place these terminals on your tongue, you will feel a tingling sensation.

In the same way, other laws of electricity state that there is a deep connection between electric charge and water. The watery surface of tongue attracts the electric charge of 9-volt battery. You can also do this experiment on other wet parts of your body, as touching the battery with wet hands can give you more of a shock.

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