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What type of magnet keeps its magnitism for a long time?
a permanent magnet does that.
What are the effects of a magnet on an electron beam?
A magnet will adversely effect the beams path by deflecting it once it passes close enough to the magnet. This is why magnets are used in the column of an eb weld machine. If a magnet were to be placed in an eb weld chamber and an the beam was shot at the magnet, the beam would deflect drastically. That said, I have personally welded parts containing magnets directly beneath the surface to be welded by using steel shunts to absorb the magnets pull. Although it didn't completley stop the magnets effect on the beam, it dampened the effect drastically and allowed for successful welding.
How can you make magnets move forever?
A magnets magnetism doesnt always last forever. But it does last a long time like long enough even after you die. And it is possible to move a magnet forever. Place a small magnet between 2 concentric circles. the circles are magnets themselves. they have a gap between them which is a bit larger than the small magnet cause you will be placing it there. Now place the small magnet in such away that it has always like poles with the circles. Now rotate any 1 of the circles and watch the magic.
Why does passing a current through a wire create a magnet?
That is, basically, the way ALL magnets are created - by moving electric charges. In the case of a permanent magnet, it is mainly the electrons orbiting their atoms that produce this effect. As to the "why", the Special Theory of Relativity provides an answer, but it is fairly complicated. The summary paragraph on Wikipedia (article "Magnetism") says: "As a consequence of Einstein's theory of special relativity, electricity and magnetism are fundamentally interlinked. Both magnetism lacking electricity, and electricity without magnetism, are inconsistent with special relativity, due to such effects as length contraction, time dilation, and the fact that the magnetic force is velocity-dependent. However, when both electricity and magnetism are taken into account, the resulting theory (electromagnetism) is fully consistent with special relativity. ..." The Wikipedia article "Classical electromagnetism and special relativity" provides a more detailed explanation about the relationship between electricity and magnetism, according to the Special Theory of Relativity - but the math is a bit too complicated for my liking.
Why the thermos bottle keeps hot water warm for a long time?
the layer of vacum space in between the bottle
What type of magnet keeps its magnitism for a long time?
a permanent magnet does that.
How can magnetism be destroyed?
---- Magnetism can be destroyed by following methods:---- * By heating the magnet, * By hammering the magnet.--->In accordance to this point...allowing the magnet to fall violently* By keeping similar poles of magnets together for a long time. * [not sure about this]by keeping magnet under running water.
How does heat affect magnetism?
If one continously heats a particular magnet to high temperatures or long time or both, it loses it magnetism because the particles get excited and start forming no-magnetic arrangements.
A permanet magnet will lose magnetism?
over time it will lose its magnetism. It will also lose its magnetism if it is temperature is to high or when it's vibrate too much.
How can be destroyed?
---- Magnetism can be destroyed by following methods:---- * By heating the magnet, * By hammering the magnet.--->In accordance to this point...allowing the magnet to fall violently* By keeping similar poles of magnets together for a long time. * [not sure about this]by keeping magnet under running water.
Is a permanent a magnet?
A permanent magnet is a magnet which will keep its magnetism for a very long time and is difficult to change. No, As I think a permanent magnet means they have abilities to hold the magnetism when they are magnetized. Such as Alnico permanent magnets, but in fact, they can be demagnetized,such as high temperature, hit each other,pulse waves, out magnetic field influence...What's more, different permanent magnetic material, have different abilities on holding magnetism,they can be used in different environments. you can find some details from some manufacturers website, to learn some knowledges.
What magnet holds a force for a limited time?
An electromagnet will lose most of its magnetism, once the current is turned off.
Is a bar magnet a permanent magnet?
A permanent magnet is a magnet which will keep its magnetism for a very long time and is difficult to change. No, As I think a permanent magnet means they have abilities to hold the magnetism when they are magnetized. Such as Alnico permanent magnets, but in fact, they can be demagnetized,such as high temperature, hit each other,pulse waves, out magnetic field influence...What's more, different permanent magnetic material, have different abilities on holding magnetism,they can be used in different environments. you can find some details from some manufacturers website, to learn some knowledges.
What might happen to a metal pair of scissors if rubbed in one direction with the north pole of a magnet?
The metal part of the scissors would be magnetised to mimic the North pole of a magnet. It may not last long as handling the scissors will reduce the magnetism over time.
What are the effects of a magnet on an electron beam?
A magnet will adversely effect the beams path by deflecting it once it passes close enough to the magnet. This is why magnets are used in the column of an eb weld machine. If a magnet were to be placed in an eb weld chamber and an the beam was shot at the magnet, the beam would deflect drastically. That said, I have personally welded parts containing magnets directly beneath the surface to be welded by using steel shunts to absorb the magnets pull. Although it didn't completley stop the magnets effect on the beam, it dampened the effect drastically and allowed for successful welding.
What is induced magnetism?
In the simplest terms, Induced Magnetism is the magnetism of an object as a result of an external influence. Typically, the external influence is a magnetic field due to another object. (One also hears the term transient magnetism applied to the same phenomenon. To be considered transient, the magnetism must disappear when the external influence disappears, but to be "induced" it just has to appear.) Though this is a technical term, it has a meaning that is the normal meaning of "induced," as in "caused by." This is to be contrasted with other modifiers, like "permanent magnetism" or "remnant magnetism" or "spontaneous magnetism" which are all still magnetism of an object but with a modifier further describing the magnetic state. If one is being more technical, then in scientific circles the term "induced magnetism" usually refers the situation where an object acquires a magnetic field as a result of it being in some external magnetic field even though it is not normally a magnetized material. One see this all the time. If you bring a permanent magnet near a collection of paperclips, then the paperclips all attach to one another and to the permanent magnet. Each paperclip has become, temporarily, a magnet. If the permanent magnet is removed, the paperclips no longer attach to one another. The magnetic properties of the paperclips were "induced" and not a permanent characteristic. More technicalities can be present with this term, because magnetism in an object can be induced in other ways than the application of a magnetic field. In the absence of such technical considerations, it is safe to assume that the term "induced magnetism" just means a temporary state of magnetization of an object induced by an external magnetic field provided by a permanent magnet or an electromagnet.
Can magnetion be stopped?
I am a geius and magnetism cannot be stopped.
