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An electromagnet is a piece of iron(usually a cylinder or rectangle)wrapped around with copper wire that when electricity runs through it it works like a magnet. Also called artificial magnet.
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What kind of magnet can vary its strength polarity?
an electromagnet
What kind of magnet can vary its strength and polarity?
Electromagnet
What kind of magnet is used in the hotel room door?
Electro Magnetic is correct
What kind of magnet can attract steel and iron due to electricity?
electromagnet
What kind of magnet is electromagnet?
An electromagnet is a piece of iron(usually a cylinder or rectangle)wrapped around with copper wire that when electricity runs through it it works like a magnet. Also called artificial magnet.
What kind of magnet has its strength and poles set by the manufacturer?
electromagnet
How is an electromagnet different a bar magnet?
a electromagnet is bigger than a bar magnet
Which is better a permanent magnet or an electromagnet?
electromagnet
Which type of magnet is created from an electromagnet?
a temporary magnet can be created by an electromagnet but it can also be created by any type of strong magnet
How is a electromagnet diffrent then a permanent magnet?
By definition an electromagnet is only working when it has a supply of electricity, a Permanent Magnet is always a magnet
Is a permanent magnet called a hard magnet or a electromagnet?
Perminant magnet
Is the worlds biggest magnet a magnet or electromagnet?
the world is
