0
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
How do you draw an electro magnet?
its easy! im an expert at drawing go to google images then type pics of electro magnets hope this helps!!!!!!!
Is there a difference between magnets and electromagnets?
"electro magnets" are magnetic ONLY when electricity travels through a coil of wire surrounding them. "Magnets", as you state it, are permanent magnets and remain so independent of and not dependent upon any additional electrical charge.
What form of magnetism must be used when constructing a magnetic crane?
Electro Magnets are the controllable type of magnet used. It may be possible but not practical to use rare earth magnets.
What does a magnet do in a microwave?
Microwaves do not litterally use magnets. they are an electro-magnetic frequency.or do you mean the applicance that cooks food?
How are temporary and permanent magnets alike?
Yes Permanent magnets is the term used to describe magnets that are always magnetic, an non permanent magnet would be an electro magnet which is only a magnet when an electric current is put through it.
Which magnets can retain their property for a short period of time?
Electro-magnets
Do magnets repel non magnetic materials not including electro-magnets?
of course not.
How are solendoids related to electro magnets?
duplicate
Why are magnets used?
Electro magnets can be very useful to carry heavy loads of iron and metal from one side of a factory to another. Electro-magnets are formed by shooting electricity through a coil of copper.
Are bar magnets stronger than electro magnets?
Yes, because electromagnets can lose their magnetism.
Are electro magnets sometimes called artificial magnets?
Yes, electromagnets itself is an artificial magnet.
Iron better than steel in electro magnets?
Yes, they are.
How are electro magnets different from other magnets?
An electromagnet can be turned on and off, with an electric current and a magnet can not turn off
What supply should be given for making electro magnets... ac or dc?
For a simple electro-magnet use a DC supply.
What has electro magnets in them?
Lots of things do. For example, relays. (The electronical component)
Does the thickness or length of the nail affect the electro magnets strength?
yes
What are electro magnets used in?
car wreck (scrapyards) metel dedectors at airports
