How to Get a Strong Magnet
Magnets are extremely useful devices. They exist in an enormous variety of magnitudes and sizes. Unfortunately, that variety makes it especially difficult to obtain a strong magnet and know it has a high magnitude relative to other magnets. Even more difficult is doing so with an electromagnet. Fortunately, there are a few simple steps to ensuring that you obtain a strong magnet.
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Instructions
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Choosing a Permanent Magnet
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Permanent magnets are magnets that are permanently magnetic, as opposed to necessitating electricity to generate a magnetic field. Before you start looking for one, figure out how large a magnet you will need and exactly how much it will be lifting or holding.
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Shop first online until you know exactly what you're looking for; keep in mind how many magnets you will need, as there are occasionally wholesale deals that will save you money.
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While shopping for a strong magnet, the easiest measure to look for is the number of pounds or kilograms the magnet can lift. This is a good measure of how powerful the magnet is and will give you an idea of how the magnet could be used. Obviously, for a strong magnet, look for a magnet that can lift more pounds. Keep in mind that neodymium-iron-boron magnets, as well as other rare-earth magnets, are among the strongest permanent magnets.
Choosing a Strong Electromagnet
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Electromagnets are a bit trickier than permanent magnets. This is because their strength is limited by the amount of electric current that can pass through them. While shopping for one, make sure you follow the same procedures as stated for permanent magnets, but with the following additions.
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There are three factors to look for while selecting a strong electromagnet. They are the number of coils around the core of the magnet, the amount of current that will be passed through the magnet and the material that comprises the core of the magnet. Look for an electromagnet with a magnetic core, a lot of coils and the potential for a lot of current to be passed through it. Naturally, the more coils and current, the stronger the magnet.
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Finally, every electromagnet needs a strong power supply to be used. While you look for a strong electromagnet, also look for a matching power supply that will provide the necessary amperage for the magnet to be fully utilized.
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Tips & Warnings
More pounds lifted means a stronger magnet Don't forget the power supply for the electromagnet
Neodymium magnets are strong enough to break bones, treat them with respect
