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Any magnetic properties properties occur when?
When materials are placed in a magnetic field, they can exhibit various magnetic properties such as attraction or repulsion, alignment of magnetic dipoles, and induction of a magnetic field in the material itself. These properties depend on the type of material and its composition, as well as the strength and direction of the magnetic field applied to it.
Is there anything that can be used to insulate cables from a magnetic field?
For an unchanging magnetic field it is possible but not easy. Completely surround the cables with a ferromagnetic substance of high permeability, for example soft iron. The shielding will be heavy. For a changing magnetic field, simply surround the cables with a good conductor, for example any metal. If the field is changing very slowly, say 60 Hz or less, use mumetal which is conducting and high permeability. The word insulate refers to electric voltages; for a magnetic field the word is shield.
Is there any way to set up a magnetic field other then by causing the charges to move?
Yes, you can create a magnetic field by using a permanent magnet, such as a bar magnet or a magnet made from a ferromagnetic material. The alignment of the magnetic domains within the material produces a magnetic field without the need for charges to move.
True or false any material that exerts magnetic force is considered a magnet?
It is true that materials that exert magnetic forces are considered magnets. This is the case since it shows they have magnetic field lines that may have been induced or were naturally present in the materials.
What is the difference between a magnet and magnetic material?
magnet attracks magnegtic material but magnetic meaterial does not atterck or repel\ magnet attracks magnegtic material but magnetic meaterial does not atterck or repel\The magnetic material is any material in which for a short time the domains are alligned in same direction.This material can be anything like iron,etc.The magnet is a steel in which the domains are permanently arranged in same direction by rubbing method.
Do all magnets have a magnetic field?
Yes, all magnets have a magnetic field. When a material becomes magnetized, it creates a magnetic field around itself that attracts or repels other materials. This magnetic field is the reason why magnets can exert force on other magnets or magnetic materials.
Is any magnatic field proof material?
Yes, a magnetic field won't penetrate a superconductor. That's called the Meissner effect.
Does any material restrict magnetic flux?
Magnetic materials concentrate magnetic field lines inside themselves, so if you have something you don't want exposed to a magnetic field, you could put it inside a soft iron box and the magnetic field inside the box will be less than it would be if the box wasn't there. But no, there's nothing that absolutely stops a magnetic field.
A ferromagnetic material is best defined as any material that?
exhibits strong magnetic properties due to the alignment of magnetic moments in its structure. Ferromagnetic materials can be easily magnetized and retain their magnetization after the magnetic field is removed.
Does heat weaken in a magnetic field?
Yes, heat can weaken the strength of a magnetic field. This is because high temperatures can cause the atoms within a magnetic material to vibrate more, disrupting the alignment of their magnetic moments and weakening the overall magnetic field.
How do you measure the strength of a magnet and what factors affect its magnetic field?
The strength of a magnet is measured using a device called a gaussmeter, which detects the magnetic field produced by the magnet. Factors that affect the magnetic field of a magnet include the material it is made of, its size and shape, and the presence of any external magnetic fields.
Are all magnets man-made?
No, a magnetic field is induced by moving electric charges. If a ferrous material (one containing iron) is placed in a magnetic field, the individual magnetic dipoles can be aligned in accordance with the magnetic field. Since the molten iron in the earth's core carries charges, a magnetic field is induced around the earth (with field lines coming OUT of the south pole and into the north). This magnetic field can align magnetic dipoles just as any man-made electromagnet can.
