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What Are Permanent Magnets and How Do They Work?

by Jian Guo

What are the Pros and Cons of Permanent Magnets?

What are the Pros and Cons of Permanent Magnets?

The Pros of Permanent Magnets

-They are cheaper than electromagnets.

-They can be used in a wider range of applications.

-They don't need a power source.

The Cons of Permanent Magnets

-It is difficult to control the magnetic force.

-It is difficult to produce a uniform magnetic field.




What is the Difference Between Diamagnetic & Paramagnetic Materials?

Diamagnetic materials are composed of atoms that have a negative magnetic moment. This means that they are repelled by magnetic fields. Paramagnetic materials, on the other hand, are composed of atoms that have a positive magnetic moment. This means that they are attracted to magnetic fields.

How to Create a Working Magnet for an Experiment Without Spending a Penny!

The first step is to think of a hypothesis. For example, if you want to test whether people prefer Pepsi or Coke, your hypothesis might be that people prefer Pepsi. The next step is to design an experiment. For example, you might offer two cups of soda and ask people which one they would like. The third step is to conduct the experiment. In this case, you would offer two cups of soda and see which one the person chooses.


Where can I find them? I mean different permanent magnets

Magnets are a ubiquitous and often underrated household object that can be found in many different places. From the refrigerator door to the toolbox, magnets are everywhere.

If you're looking for a permanent magnet, you may need to go to your nearest hardware store. These stores will have a variety of different types of magnets available for purchase.


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client purchase strong magnets"Since 2006, we found Mr.Guo and get products from him. We used magnets under the earth for the gas and water pipe industries. We have met no problem. We have been working in very happy ways. We have many cooperation. Every year, we spent time together and sometimes, we invited him to Korea. He is our younger brother. Strongly recommended!!"

--------Mr. Tae Lee Korea

customers buy permanent magnets"I had email to Mr. Guo for rare earth magnet requirements. They replied my e-mail promptly, and were very professional. Mr. Guo’s team still continues to deliver rare earth magnets to our agreed specifications with a very high quality standard since 2012. His team is very professional and thorough with its work. Based on my experience, I would highly recommend them." 

------Mr.Tauphik India

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