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Rather than "permanent" magnets, the large electromagnets used in junkyards only create a magnetic field when electric current flows through them. They are used to lift iron and steel scrap, and to separate it from non-magnetic scrap. The cranes have an electric generator connected to a wire coil in the large round lifting disc. When the power is on, its magnetic field attracts heavy iron and steel to it. When the scrap is positioned where they want it, they cut the power to the electromagnet and the scrap drops.
They are attached to cranes and are used to lift up heaps of scrap metal
Wiki User
∙ 11y ago
Wiki User
∙ 9y agoA core of iron is surrounded by many coils of wire. When an electrical charge is sent through the coils, the iron core becomes magnetised and, by hanging the electromagnet on the hook of a crane, scrap iron can be lifted.
Wiki User
∙ 11y agoElectromagnets in scrap yards are used to move iron or steel objects, such as cars.
Wiki User
∙ 11y agoThey are used to lift iron and steel scrap, and to separate it from non-magnetic scrap to magnetic scrap.
Wiki User
∙ 13y agoElectromagnets are used because they are stronger than regular magnets and can lift the cars and other scraps.
Wiki User
∙ 13y agoAn electromagnet would be used to separate ferrous metals from other debris and it would also be used to lift loads of ferrous metals.
Wiki User
∙ 13y agothey are used to pick up all the metal that is magnetitic.
Wiki User
∙ 9y agoElectromagnets are used to attract iron pieces from scrap. The elements can be reused later.
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Can magnets lift up things?
Magnets are better used in lifting hot metals. Lifting magnets are the type of magnets that are used to lift high temperature magnetic materials.
What magnets are used for?
Some magnets are used to make electric motors and generators.Some magnets are used for car doors,door hinges,computers,hovers,blenders, CD players,washing machines, fax machines, escalators, elevalators,loud speakers,credit cards,tv,fridge doors,toys,jewelry, and elecric toothbrushes, magnets are used in junk yards to make new cars too,magnets are used in roller coasters.These are called electro magnets and you can turn them on and off.and they are also used in the new unistation 360 witch is awesome.
How do we use magnets in everyday life?
Magnets are actually used in most of the items we use today, such as: * car doors * door hinges * computers * hoovers * blenders * CD players * washing machines * fax machines * escalators * elevators * loud speakers * credit cards * TVs * fridge doors * toys * jewelry * electric toothbrushes * junk yards * roller coasters *fridge magnets
How do you generate electricity using magnets to power Christmas lights?
Magnets are used to generate electricity by rotating them around a metal wire. Alternatively, rotate magnets within a coiled metal wire.
Why magnet keepers use to store magnets?
what is a keeper used for
What are electro magnets used for?
They can be used in Junk yards to pick up junk. They can be used in a Dentist.
Where magnet is used?
Windings for motors.
What are magnets used for in every life?
Magnets are actually used in most of the items we use today, such as: * car doors * door hinges * computers * hoovers * blenders * CD players * washing machines * fax machines * escalators * elevators * loud speakers * credit cards * TVs * fridge doors * toys * jewelry * electric toothbrushes * junk yards * Roller Coasters *fridge magnets
What else can magnets be used for?
There are magnets that can be used to pick up junk and collect metallic rubbish. There is also a super conductor that can make other metal objects hover to.
What are magnet for?
Some magnets are used to make electric motors and generators.Some magnets are used for car doors,door hinges,computers,hovers,blenders, CD players,washing machines, fax machines, escalators, elevalators,loud speakers,credit cards,tv,fridge doors,toys,jewelry, and elecric toothbrushes, magnets are used in junk yards to make new cars too,magnets are used in Roller Coasters.These are called electro magnets and you can turn them on and off.and they are also used in the new unistation 360 witch is awesome.
Electromagnets are generally weaker than permanent magnets?
Depends on the size. One good example of a powerful electromagnet is the one used to lift cars at junk yards. Permanent magnets are not used for that due to the sheer power needed to lift cars. Also, electromagnets can be turned ON and OFF making them useful in picking up and then dropping the junk cars as needed. Another big example of electromagnets are the ones used on power generators to generate electric power.
Where are electromagnets used?
fire bells tv's junk yards and a lot more
How can I Find a used side mirror for your Lincoln Navigator?
Try eBay or your local junk yards
Where can i get a used 03 Nissan Altima motor from?
best bet is to try junk yards or ebay.
Who buys cars that don't start?
Junk yards, Wrecking yards, Recycling yards,
Are there any auto junk yards online to check?
There a very good online auto junk yards where lots of cheap parts can be purchased. Some of the best online auto junk yards are www.junkyarddog.com, www.rockfordautoparts.com and www.uneedapart.com.
Where do you find steel?
in junk yards
