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Which magnetic field?

If you're talking about the earth, the magnetic poles have switched polarity in the past. The earth is not a solid magnet, it is a liquid, specifically molten nickel. When the molten nickel shifts the magnetic field of the earth can change.

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How magnetic materials are magnetised?

Magnetic materials are magnetized by exposing them to a magnetic field, such as from a magnet or an electromagnet. This causes the magnetic domains within the material to align, creating a net magnetic field. The material retains this magnetic field even after the external field is removed.


What causes a magnetic field with no current?

A permanent magnet can create a magnetic field with no current. This is due to the alignment of the magnetic domains within the material, which results in a net magnetic field. The magnetic field produced can attract or repel other magnets or magnetic materials in its vicinity.


What flows through a circuit and causes a magnetic field?

An electric current flowing through a circuit causes a magnetic field. This is due to the movement of electric charges, usually electrons, in the circuit. The magnetic field produced is perpendicular to the direction of the current flow.


What is the relationship between the magnetic field variable and the behavior of charged particles in a magnetic field?

The magnetic field variable affects the behavior of charged particles in a magnetic field by exerting a force on them. This force causes the charged particles to move in a curved path perpendicular to both the magnetic field and the direction of their initial velocity.


How does electricity create a magnetic field?

When electricity flows through a wire, it creates a magnetic field around the wire. This is because the moving electric charges generate a force that causes the magnetic field to form.

Related Questions

What is the leading theory for what causes earth's magnetic field?

The Dynamo Theory it what causes Earth's Magnetic Field


Do electric field causes magnetic field?

Yes.


Where does the convection that causes earths magnetic field?

The convection that causes Earth's magnetic field happens in Earth's molten outer core.


What causes Jupiter's magnetic field?

Jupiter's magnetic field is caused by the flow of electrically conducting material in its metallic hydrogen layer. As Jupiter rotates, this material generates a magnetic field. The combination of the planet's rotation and its metallic hydrogen layer results in its strong magnetic field.


How magnetic materials are magnetised?

Magnetic materials are magnetized by exposing them to a magnetic field, such as from a magnet or an electromagnet. This causes the magnetic domains within the material to align, creating a net magnetic field. The material retains this magnetic field even after the external field is removed.


What causes a magnetic field with no current?

A permanent magnet can create a magnetic field with no current. This is due to the alignment of the magnetic domains within the material, which results in a net magnetic field. The magnetic field produced can attract or repel other magnets or magnetic materials in its vicinity.


Can magnets attract objects without touching them?

A magnet has a magnetic field around it. The magnetic field causes a magnetic force that can attract objects to the magnet.


What flows through a circuit and causes a magnetic field?

An electric current flowing through a circuit causes a magnetic field. This is due to the movement of electric charges, usually electrons, in the circuit. The magnetic field produced is perpendicular to the direction of the current flow.


What is the relationship between the magnetic field variable and the behavior of charged particles in a magnetic field?

The magnetic field variable affects the behavior of charged particles in a magnetic field by exerting a force on them. This force causes the charged particles to move in a curved path perpendicular to both the magnetic field and the direction of their initial velocity.


How does electricity create a magnetic field?

When electricity flows through a wire, it creates a magnetic field around the wire. This is because the moving electric charges generate a force that causes the magnetic field to form.


What causes sunspots and solar flares?

Fluctuations in the sun's magnetic field.


Can iron be magnetised?

Yes, iron can be magnetized. When exposed to a magnetic field, the magnetic domains in iron align to create a magnetic field of its own. This causes iron to exhibit magnetic properties.