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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.
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What is a example of induced magnetism?
Magnetic fields can be generated by either a permanent magnet, or generating it by electrical flow such as through a coil. If the magnet is then put near another material such as iron... the iron will then also start exhibiting an INDUCED magnetic field. Induction motors operate on this principle with the armature being non-magnetic... and the motor operates by inducing a magnetic field into the armature. Superconductors are unique that a magnet will induce an opposite magnetic field in them, and will be repulsed by the magnet.
Can the strength of natural magnets be increased?
The strength of natural magnets be increased in various ways. Artificial magnetism can be induced so as to increase magnetism.
What is difference between residual magnetism and retentivity?
Residual magnetism and remanence are the same thing. The term residual magnetism is often used in engineering applications. Both terms describe the magnetization, and measure of that magnetism, left behind in a ferromagnetic material after the external magnetic field is removed.
What do scientists think causes magnetism?
Magnetism is caused by the movement of electrical charges within atoms, specifically the alignment of electrons spinning in the same direction. This alignment creates a magnetic field that can attract or repel other magnetic materials. The overall magnetic properties of a material depend on the arrangement and movement of its electrons.
What are the principles of magnetism?
When a magnet is freely suspended it will come to rest aligned with the north and south magnetic poles of the Earth. The north seeking point of the magnet is called the south pole and the south seeking point of the magnet is called the north pole. If the two magnetic poles are placed near each other a force will exist between them, this force will be either of attraction or repulsion. Like poles repel, unlike poles attract. A moving magnetic field will induce a current in a wire. Conversely, a moving wire in a magnetic field will have a current induced in it. Also, a wire carrying current will create a magnetic field. Electricity and magnetism are so closely related to each other that it is actually called electromagnetism.
How can be induced?
You can induce magnetism by heating it.
What are 5 examples of magnetic forces?
polarized atomic regions (a magnetic substance) electron-induced magnetism (induction) radio-induced magnetism (radio waves induce current on a conductor that in turn is creates electron induced magnetism) reverse-magnetostriction (the opposite of the effect that states magnetism causes metal to change shape on the atomic level) a flawless LRC circuit
What are 5 example of force?
polarized atomic regions (a magnetic substance) electron-induced magnetism (induction) radio-induced magnetism (radio waves induce current on a conductor that in turn is creates electron induced magnetism) reverse-magnetostriction (the opposite of the effect that states magnetism causes metal to change shape on the atomic level) a flawless LRC circuit
What is a example of induced magnetism?
Magnetic fields can be generated by either a permanent magnet, or generating it by electrical flow such as through a coil. If the magnet is then put near another material such as iron... the iron will then also start exhibiting an INDUCED magnetic field. Induction motors operate on this principle with the armature being non-magnetic... and the motor operates by inducing a magnetic field into the armature. Superconductors are unique that a magnet will induce an opposite magnetic field in them, and will be repulsed by the magnet.
How do metals exhibit magnetism?
Metals exhibit magnetism when the electrons in their atoms align in the same direction, creating a magnetic field. This alignment can occur naturally or be induced by an external magnetic field.
What is affected by electromagnets?
Other magnets, as well as magnetic substances such as iron, in which magnetism is induced by the external magnetic field.
What is affected by a electromagnet?
Other magnets, as well as magnetic substances such as iron, in which magnetism is induced by the external magnetic field.
How do you convert electrical energy to kinetic?
Most often through induced magnetism such as an electric motor.
What is induced magnetsim?
When you are submitted to an area of high magnetism which makes items magnetized. For example, if you have a watch on and then it becomes magnetized from electricity, it no longer works.
What is Gilbert experiment?
There are several experiments known as Gilbert's Experiment, but the most common is in induced magnetism. This showed that an piece of iron became temporarily magnetic when placed on a magnet. This is why sprinkled iron on a paper over a bar magnet seems (but actually does not) show magnetic lines of force. Instead the iron particles just obey Gilbert's Law of Induced Magnetism.
Can the strength of natural magnets be increased?
The strength of natural magnets be increased in various ways. Artificial magnetism can be induced so as to increase magnetism.
Why is there magnetism on earth?
All magnetism is due to circulating electric currents. In magnetic materials the magnetism is produced by electrons orbiting within the atoms; In most substances the magnetic effects of different electrons cancel each other out, but in some, such as iron, a net magnetic field can be induced by aligning the atoms.
