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You take a battery and you attach each end of a wire to it then you wrap a peice of iron in the middle of the wire.
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How do you build a electromagnet?
im in South Africa trying to make an electromagnetic trian through using magnets from car speakers and trying to them repell
Which is better a permanent magnet or an electromagnet?
electromagnet
Strong temporary magnet formed when a current is passed through a coil of wire?
A magnetic field.
What three materials will you need to build an electromagnet?
a battery, wires, a solenoid wrapped around an iron core Study Island answer... Answeres By: Blake A. H.
An electromagnet becomes storgner when the?
an electromagnet becomes storgner when the.
What does an electromagnet operator do to release metal attached to an electromagnet?
burat
What is a magnet made by electric current?
An electromagnet.
What is a solenoid with a ferromagnetic core called?
Its called an electromagnet
What does an electromagnet operator do to release metal attached to the electromagnet?
burat
Why electromagnet is used for separating plastic bags?
An electromagnet can attract the metal, leaving the plastic behind.An electromagnet can attract the metal, leaving the plastic behind.An electromagnet can attract the metal, leaving the plastic behind.An electromagnet can attract the metal, leaving the plastic behind.
Why electromagnet is different from a permanent magnet because an electromagnet what?
Mainly in that the electromagnet is NOT permanent. In other words, it can be switched on and off.Another relevant difference is that the electromagnet constantly requires power, at least while it is on.
When was the electromagnet invented?
The electromagnet was invented in the year 1850 by william sturgeon :)
