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Electromagnet.

it is a piece of metal (usually iron) that is wrapped in copper wire.

it is turned on by putting electricity through the copper wire. it then producces a magnetic field when electricity is run through it.

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12y ago

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Related Questions

Is electromagnet a permanent magnet?

No, an electromagnet is not a permanent magnet. It is a magnet that produces a magnetic field when an electric current is passed through it, and the magnetic field disappears when the current is turned off.


What is the name of the magnet that cannot be turned off?

The magnet that cannot be turned off is called a "permanent magnet." Unlike electromagnets, which can be turned on and off by controlling electric current, permanent magnets maintain their magnetic properties without any external power source. They are made from materials like iron, nickel, or cobalt, and their magnetism results from the alignment of atomic magnetic dipoles.


Is the magnet in a compass a permanent magnet or a electromagnet?

It is a permanent magnet. Electromagnets(as the name suggests) requires an electric source to become a magnet, when the power source is turned off it will not function as a magnet.


What magnet can be switched on and off?

An electro-magnet can be turned on and off.


What is a magnet that can be turned on and off called?

A magnet that can be turned on and off is called an electromagnet. It works by running an electric current through a wire coil to generate a magnetic field, which can be controlled by turning the current on or off.


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.


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An electromagnet is only magnetic while electricity is being passed through it. When the electricity is turned off, it no longer works.


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Is a strong magnet that can be turned on and off?

an electromagnet


What is a strong magnet that can be turned on and off.?

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Can Permanent magnets be turned on and off?

Electromagnet which uses electric current can be turned on and off.