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What else can I help you with?
Is a needle in a compass a permanent magnet?
Yes, it is a permanent magnet.
Objects that keep their magnetic properties for a long time?
A permanent magnet (in contrast to an electromagnet).
What might happen if you drop a permanent magnet or strike it hard?
A permanent magnet may become unmagnetized because a shock it will have.
What is a lifting magnet?
A lifting magnet is an electromagnet that is meant to hold or move material that comes in contact with the magnet. This is the opposite of a traction magnet.
What is a non permanent magnet?
An electromagnet (a coil around a soft iron core) will only be magnetic when current changes in the coil and so is not permanent.
What uses are there for a permanent magnet?
The permanent magnet always retains its magnetism so even the smallest temporary magnets will stick to it. its uses will include keeping the refrigerator door sealed nice and tight as well as the actual door being a permanent magnet so pictures and notes to the kids can be hung on it.
Which part of hearing aid uses a permanent magnet?
In a hearing aid, the component that typically uses a permanent magnet is the receiver, also known as the speaker. The permanent magnet works in conjunction with an electromagnet to convert electrical signals into sound waves. When the electrical signal passes through the coil of the receiver, it interacts with the magnetic field created by the permanent magnet, causing the diaphragm to vibrate and produce sound.
Is the magnet in a compass a permanent magnet or electronic?
A. Compasses typically use a permanent magnet.
Does a VCR have a magnet?
A VCR (Video Cassette Recorder) uses electromagnets in the record, playback, and erase heads. An erase head can also have a permanent magnet in it.
What are three types of metal that can be turned into a permanent magnet?
There are two main/most common, types of magnet. One is permanent and the other is temporary. There could be more detailed classifications, but I do not know them ;)
Is a needle in a compass a permanent magnet?
Yes, it is a permanent magnet.
Is magnetite a temporary magnet?
No, it's a permanent magnet. It consists of an iron oxide, and iron is a permanent magnet.
Where can I find permanent magnets?
Permanent magnets can be found in stores that sell hardware or industrial supplies, as well as online retailers. Specialized magnet stores or suppliers may also carry a wide variety of permanent magnets for different uses.
Is the magnet in a compass a permanent magnetic or an electromagnet?
PermanentThere is no source of current in a compass, therefore the magnet is a permanent magnet.
Is a MRI a permanent magnet?
An MRI (Magnetic Resonance Imaging) machine primarily uses a strong, superconducting magnet to generate a powerful and stable magnetic field. While the superconducting magnet itself is not a permanent magnet, it can maintain its magnetic field without continuous power once it is cooled to a superconducting state. However, MRI machines also utilize permanent magnets in some designs, especially in lower-field or portable MRI systems. Therefore, while the main magnet in most MRI machines is not permanent, some components may include permanent magnets.
How can a magnet be temporarily magnetized when attached to a permanent magnet?
When a magnet is attached to a permanent magnet, it can become temporarily magnetized by aligning its magnetic domains with the strong magnetic field of the permanent magnet. This alignment causes the magnet to exhibit magnetic properties for a short period of time.
Is the magnet in a compass a permanent or electromagnet?
The magnet in a compass is a permanent magnet. It retains its magnetism without the need for an external electrical current.
