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From the wikipedia article: http://en.wikipedia.org/wiki/Electromagnet
A coil forming the shape of a straight tube, a helix (similar to a corkscrew) is called a solenoid; a solenoid that is bent into a donut shape so that the ends meet is a toroid. Much stronger magnetic fields can be produced if a "core" of ferromagnetic material, such as soft iron, is placed inside the coil. The core magnifies the magnetic field to thousands of times the strength of the field of the coil alone. This is called a ferromagnetic-core or iron-core electromagnet.
I will assume that you wish to know the metal that is commonly employed as the core, this depends on the application of the magnet but Soft iron is used for many applications. An easy way to produce a electromagnet is using some copper wire, an iron nail and a battery.
For further information on which metal is usually used for cores of magnets can be found at the wikepedia site: http://en.wikipedia.org/wiki/Magnetic_core#Common_magnetic_core_materials.
What else can I help you with?
Which metal is not used as a electromagnet?
Most metals. eg Aluminium, copper, tin, uranium
What does an electromagnet operator do to release metal attached to the electromagnet?
An electromagnet operator can release metal attached to the electromagnet by turning off the electric current flowing through the electromagnet coils. This de-energizes the electromagnet, causing the magnetic field to dissipate and the metal object to fall off.
Which metal would you choose for the center of an electromagnet?
Iron is commonly used as the core metal for electromagnets due to its high magnetic permeability, which allows for stronger magnetic fields to be created. Additionally, iron is cost-effective and widely available.
What metal would you use for the centre of an electromagnet?
Iron is commonly used for the core of an electromagnet due to its high magnetic permeability, which enhances the strength of the magnetic field produced. Additionally, iron is a relatively inexpensive material compared to other options like cobalt or nickel.
How can the electromagnet be used to raise the barrier?
An electromagnet can be used to raise a barrier by creating a magnetic field when current flows through it. The magnetic field attracts the metal barrier, causing it to rise. By controlling the flow of current to the electromagnet, the barrier can be raised and lowered as needed.
Is electromagnet used in iron box?
Yes, an electromagnet is commonly used in an iron box. The electromagnet generates heat when electricity passes through it, which then heats up the metal plate at the bottom of the iron box to iron clothes.
Which metal is not used as a electromagnet?
Most metals. eg Aluminium, copper, tin, uranium
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.
Where are the two types of electromagnet and a bar magnet commonly used?
I'm not sure where a bar magnet is used, but an electromagnet is used in junkyards, and in some laboratories.
What is used to produce an electromagnet?
A Battery, wire, nail/metal cylinder.
What does an electromagnet operator do to release metal attached to the electromagnet?
An electromagnet operator can release metal attached to the electromagnet by turning off the electric current flowing through the electromagnet coils. This de-energizes the electromagnet, causing the magnetic field to dissipate and the metal object to fall off.
Which metal would you choose for the center of an electromagnet?
Iron is commonly used as the core metal for electromagnets due to its high magnetic permeability, which allows for stronger magnetic fields to be created. Additionally, iron is cost-effective and widely available.
What does an electromagnet operator do to release metal attached to an electromagnet?
burat
What was the first commonly used metal?
the first commonly metal used was wood
What is the role of an electromagnet when recycling metals?
The role of an electromagnet is to provide us withrecycled materials. The electromagnet is what picks up our heavy metal bits and bobs and moves it or drops it from a certain height so that the metal breaks and can be used again to make another car .
What metal would you use for the centre of an electromagnet?
Iron is commonly used for the core of an electromagnet due to its high magnetic permeability, which enhances the strength of the magnetic field produced. Additionally, iron is a relatively inexpensive material compared to other options like cobalt or nickel.
How can the electromagnet be used to raise the barrier?
An electromagnet can be used to raise a barrier by creating a magnetic field when current flows through it. The magnetic field attracts the metal barrier, causing it to rise. By controlling the flow of current to the electromagnet, the barrier can be raised and lowered as needed.
