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pick things up

Another AnswerElectromagnets are necessary for an electric motor to work. Electromagnets are used in ink jet printers to release ink, they activate relays and solenoids. Electromagnets are inside automotive fuel injectors. The old CRT televisions wouldn't work without some high powered electromagnets. Computers would be useless without electromagnets that operate disk drives and relays.

Electromagnets are an essential part of all Transformers.

Essentially, modern technology would come to an end without electromagnets.

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Q: Why do you need electromagnets?
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Related questions

Are electromagnets used in generatorsto transform mechanical energy into electrical energy?

This requires magnets in general. It need not be an electromagnet; sometimes electromagnets are used, sometimes permanent magnets.


What is the flow of electromagnets called?

Electromagnets


What makes electromagnets useful?

Electromagnets are useful because some machines need magnets that can stop being magnetic. In junkyards, some machines need to pick up metallic objects, so they need magnets that can turn on and off, which is where a electromagnet becomes useful.


What important invention uses electromagnets?

One of the important inventions that use electromagnets include DC shunts. These are common in small toys and many other gadgets that need rotating gears.


Do electromagnets affect glue?

Electromagnets do not affect glue.


How are electromagnets different from magnets?

You can turn electromagnets on and off.


Do food processors have electromagnets?

Yes, food processors do have electromagnets.


Are all electromagnets magnetic?

All electromagnets are magnetic when they are turned on.


How are electromagnets different from permanent magnet?

You can turn electromagnets on and off.


Where use electromagnets?

Inside of electric motors are electromagnets and permanent magnets. In a metal junk yard large electromagnets are used to pick up metal. In MRI's large electromagnets are used for imaging.


What are the electromagnets called that are used at junkyards?

The electromagnets that are used in junkyards are called just that, electromagnets. They are used to sort out different types of metals.


Does an iron box use electromagnets?

no there is no use of electromagnets in iron box