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Magnetism

Magnetism is simply an abstraction that people use for the changes in electromagnetic force created by the motion of electric charges. There are different types of magnetism that include electromagnetism, ferromagnetism, paramagnetism, and diamagnetism. To learn more and share your knowledge of magnetism and its types, ask and answer questions here.

4,020 Questions

Is magnetic asphalt?

Magnetic asphalt refers to a type of asphalt that is designed to be responsive to magnetic fields, typically incorporating ferromagnetic materials. This innovation can improve the functionality of road surfaces, such as enabling better traction or allowing for the integration of smart infrastructure. However, it is not widely used or commercially available as conventional asphalt remains the standard for road construction. Research continues into its potential applications and benefits.

What is KS magnetic steel?

KS magnetic steel refers to a type of steel specifically designed for use in magnetic applications, often characterized by its high permeability and low coercivity. It is commonly used in the manufacturing of electrical components such as transformers, magnetic coils, and other devices where efficient magnetic performance is essential. The "KS" designation typically indicates a specific standard or grade, ensuring consistent quality and performance in its applications. This steel is crucial for improving energy efficiency in electrical systems.

If you bring a bar magnet close to the first iron nail can the first iron nail attract and lift a second nail?

Yes, when you bring a bar magnet close to the first iron nail, it will induce magnetism in the nail, making it act like a magnet. This induced magnetism can attract and lift a second nail, as long as the second nail is made of a ferromagnetic material like iron. The strength of the attraction will depend on the magnetism induced in the first nail and the distance between the two nails.

Why can a magnetic attract pins but not matches?

Magnetic materials like pins have unpaired electrons that align with an external magnetic field, causing attraction. Matches do not contain magnetic properties, so they are not affected by magnetic fields.

Which direction do magnetic field lines go from north to south?

Ah, let me share with you the beautiful world of magnetic fields! Just like a gentle breeze flowing from north to south, magnetic field lines also travel from the north pole of a magnet to its south pole. It's all part of nature's way of creating balance and harmony in the world around us. Let's appreciate the simple wonders of physics today!

Why can magnets only attract pins and not matches?

MAGNETS ATTRACT IRON! The pin is made of an iron so it is able to attract to the magnet. The match on the other hand, is made of cardboard paper substance. Paper and cardboard both DO NOT contain iron. That is why magnets attract pins but not matches.

Can magnets attract iron filings?

Yes A magnet would help you separate a mixture of iron nails and iron screws because the magnet when you wave it over the iron nails it will pick them up and then you just wipe them off the magnet with a paper towel and then your iron screws are separated

Answer: NO!!!! The magnet would pick up nails and screws equally if they were both made of iron and were the same weight. A magnet would pick up something lighter more easily, but unless all of your nails were one weight and all of your nails were another weight, the magnet would not be able to separate them.

Is a magnetic field surrounded by moving electric charges?

Yes, a magnetic field is generated by moving electric charges. When charged particles such as electrons are in motion, they create a magnetic field that can exert forces on other charged particles. This relationship is described by the magnetic field's direction being perpendicular to both the direction of motion of the charged particles and the electric field.

How do scientist know that magnetic field originate from north always?

There are two kinds of magnetic poles. It is just a matter of convention that we *define* one of the north. Then we *define* the direction of the magnetic field to be the direction of force experienced by a test north pole. Magnetic field lines and their directions don't really exist, they can only be observed indirectly. It follows from our definition that they must originate in the north poles.

Can magnetism affect weather?

Yes it can, well more exactly it dose.

Magnetic fields do interfere with both impurities in water (salts, metallic remains or ions) but it also moves the water.

If you need further proof you can search youtube for watherbending.

Can you make a temporary magnet by hammering a nail with a hammer?

Yes, by hammering a nail with a hammer, you can align the atoms in the nail in a way that creates a temporary magnetic field. This process is sometimes used to temporarily magnetize a nail for specific tasks, but the magnetism will fade over time.

How does saturation affect the magnetic circuit?

Saturation in a magnetic circuit refers to the point at which the magnetic material can no longer be magnetized fully. Once saturation occurs, any further increase in magnetic field strength will not result in a significant increase in magnetization. This can limit the amount of magnetic flux flowing through the circuit and reduce the overall efficiency.

What do magnets stick to and why?

Magnets stick to materials that are attracted to them, such as iron, nickel, and cobalt. This is due to the magnetic field produced by the magnet interacting with the magnetic properties of these materials, causing them to be drawn towards the magnet. Other materials that are not attracted to magnets, like wood or plastic, do not stick to magnets because their magnetic properties do not interact with the magnet's field.

Would an electromagnetic pulse work in space?

Yes, an electromagnetic pulse (EMP) can work in space. Due to the lack of atmosphere in space, an EMP can have a broader and more powerful effect compared to on Earth, affecting unshielded electronics and communication systems on satellites and spacecraft.

What does a conductor do in a magnetic field when current is suddenly passed through it?

When current is suddenly passed through a conductor in a magnetic field, it experiences a force due to the interaction between the magnetic field and the current. This force causes the conductor to move, resulting in electromagnetic induction and the generation of an electric current in the conductor.

What attracted you to this post and why?

I was attracted to this post because it asked for my opinion or input, and I enjoy sharing my knowledge and perspective on various topics. Additionally, the question seemed thought-provoking and relevant to the subject matter I specialize in.

What do you call the ends of mangets?

The ends of a magnet are called the poles. There are two types of poles: the north pole, which attracts the south pole of another magnet, and the south pole, which attracts the north pole of another magnet.

How many place magnet are used?

Magnets are used in a variety of places and applications such as MRI machines, electric motors, speakers, magnetic locks, and in everyday items like refrigerator magnets and compasses. The exact number of places where magnets are used is difficult to quantify due to the widespread usage in different industries and technologies.

Why are there no poles on disc magnets?

Disc magnets do not have poles because they have a symmetrical magnetic field that runs from one flat face to the other. This design allows for a more uniform magnetic field across the entire surface of the disc magnet, making it useful for certain applications such as magnetic levitation or sensor devices.

Why does the magnetic north part of a compass needle point towards geographic north if like poles are suppose to repel?

Technically earth's northern magnetic pole is the south pole of its magnetic field. The north and south poles on normal magnets are derived from the fact that they are "north seeking" and "south seeking" respectively when made into a compass.

What is continuous force?

Continuous force is a consistent and unchanging level of force applied over a period of time. It does not fluctuate in magnitude or direction during the application. This type of force is commonly seen in situations where a steady and sustained effort is needed to achieve a desired outcome.

What do 'like poles' do?

Like magnetic poles repel one another.