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Simple Potato Battery

Select two different metal strips and one potato. Use a copper and a zinc coated metal strip. We need galvanized metal so the zinc can react.

Carefully place the metal strips into the potato.

Congratulations! You have just made a battery! Simple, yes? Now you will learn about your battery.

Now, you may be wonder, what is causing a chemical reaction? Here is the explanation:

1. the potato has a mild phosphoric acid content H3PO4

2. reduction at Cu (copper) electrode:

2H+ + 2e- -> H2 gas

3. oxidation at Zn (zinc) electrode:

Zn -> Zn++ + 2e-

The H3PO4 acid puts the hydrogen ions in solution.

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Q: How can you use a potato to light a light bulb?
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Related questions

How many potatoes does it take to change a light bulb?

You wouldn't use a potato to screw in a light bulb... if the glass in the light bulb breaks as you're removing it, you can use a potato to take the light bulb out.


How can I perform a light bulb replacement when the bulb broke off at the base?

The best way to remove a blub that has broken off at the base is to use a raw potato. Cut the potato in half and, with the light switch turned off, shove the raw edge of the potato onto the socket. The potato should grip the broken portion of the bulb and allow you to twist the bulb out easily. Replace the bulb as you would normally after making sure all potato residue is removed from the light socket.


Can a vegetable make a light bulb come on?

yes they can most people use a potato


How can a tomato light a light bulb?

i think you mean potato... You can from a potato or super tomato


What do you need for a potato light bulb?

you cant make a potato light up but...you can make a light bulb light up with potato power.all you need is wire electric tape two potato's or lemons set it up and your good =)


How do you loosen a light bulb that is stuck in the fixture?

One way to loosen a light bulb that is stuck in the fixture is to break the bulb. You can then use half of a potato to unscrew the bulb from the fixture. You can also make a loop with duct tape, adhere the middle of the loop to the light bulb. Use the two ends to twist the bulb out of the fixture.


How does a potato lamp work?

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How to Easily Remove a Light Bulb?

How to Remove a Broken Light Bulb EasilyFor decades, people have used potatoes to safely and easily remove a broken light bulb. Other methods can increase the risk of sustaining an injury, and using a potato is easy and cost efficient. This video demonstrates how simple it is to remove a light bulb with a potato.3 Simple StepsFirst, take your potato and cut it in half along the short width. Do not cut along the length because you will need enough potato to press down into the bulb socket.Cut side down, press the potato down with a slight twisting motion into the socket, making sure you reach the bottom.Twist the potato with the now-attached light bulb out of the socket like you would a normal light bulb.Now, if you followed these steps, you have safely removed your light bulb and can insert a fresh compact fluorescent light bulb into your light fixture. Using a compact fluorescent light bulb can save you up to 75% electric as opposed to a traditional incandescent bulb, and lasts much longer. Be sure to use a lamp shade to minimize the occurrence of broken light bulbs. Also keep light bulbs away from water. A hot bulb will explode on contact with water. If a light bulb ever does explode, remember never to touch it with your bare hands.


Can a potato light a light bulb better than a battery?

i would say no because the battery has a lot of energy to pass to the light bulb and not a pataoe


What are the advantages of a potato powered light bulb?

Save your cell battery


What are the instructions for powering a light bulb using a potato?

theres no such thing as that.