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There is evidence that the magnetic polarity of the earth has shifted several times in the past. what is the cause of this?
we do not know the cause
What is evidence of paleomagnetism?
Magnetic particles suspended in liquid magma align themselves with the Earth's field, and when the magma solidifies they retain that alignment even after the direction of the Earth's field changes. So, for instance, as magma spreads outward from the Mid Atlantic ridge, you get a series of magnetic strips of varying alignment as you move outward, and the strips on the west side correspond with those on the east side.
Does a particle need to have an electrical charge to be used in a particle accelerator?
Yes, a particle used in a particle accelerator must have a charge to be useful in the device. Particle accelerators we use in high energy physics to investigate things all work by applying a moving or shifting magnetic field to accelerate charged particles. We speed these particles up by repeatedly "hitting" them with a magnetic field. Uncharged particles will not respond to this, and canot be used in the devices.
How does the Earth's magnetic field help people?
The Earth's Magnetic shield is important for preventing the Atmosphere from being destroyed by solar wind by deflecting dangerous particles from impacting the Earth.It protects Us from the magnetic / electrical radiation that comes from the Sun. High radiation periods coincide with solar storms.It protects us from solar radiation (wind) from the sun
What is magnetic paint?
Magnetic paint is just like regular latex paint, except for the fine particles of iron dust mixed throughout which gives it a special magnetic quality. When applied to a surface, you end up with a layer of primer with many tiny flecks of iron spread throughout. Magnets are attracted to these flecks of iron transforming your project into a magnetic surface.
Do magnetic monopoles exist in the universe?
As of now, there is no definitive evidence that magnetic monopoles exist in the universe. Scientists continue to search for these hypothetical particles, but they have not been observed or detected so far.
How do you separate magnetic and nonmagnetic particles?
You can separate magnetic and nonmagnetic particles using a magnet. The magnetic particles will be attracted to the magnet and can be easily separated from the nonmagnetic particles. This method is commonly used in industries such as mining and recycling.
How do accelerators work to increase the speed of particles?
Accelerators increase the speed of particles by using electric fields to give them energy and magnetic fields to steer them in a circular path. By repeating this process in a series of stages, particles can reach very high speeds before colliding with a target or another particle.
How does the spinning proton magnetic field contribute to the behavior of particles in a magnetic field?
The spinning proton magnetic field influences the behavior of particles in a magnetic field by aligning with or against the external magnetic field. This alignment affects the energy levels of the particles, leading to phenomena like nuclear magnetic resonance and the Zeeman effect.
What evidence shows that earth's magnetic field changes?
One piece of evidence is the study of ancient rocks that show reversals in magnetic orientation. Another evidence comes from observations of the movement of the magnetic poles over time. Additionally, observations of magnetic anomalies in the Earth's crust provide further evidence of changes in the magnetic field.
Can a static magnetic field do positive work on charged particles?
No, a static magnetic field cannot do positive work on charged particles. Magnetic fields can only do work on moving charged particles by changing their directions of motion or causing them to spiral. Static magnetic fields do not affect stationary charged particles.
What is the principle of magnetic separation?
Magnetic separation is technique used in metallurgyfor the concentration of ore particles. The principle of this method is that the magnetic ore particles can be separated from non magnetic impurities (gangue) or viceversa.
What evidence did Thompson have that his glowing beam contained negative particles?
Thompson's evidence came from observing the deflection of the beam in a magnetic field. By observing the direction of the deflection and comparing it to the known behavior of negatively charged particles, he inferred that the beam contained negatively charged particles.
What is evidence that an electrical current produces a magnetic field?
The deflection of a magnetic compass in the presence of an electric current, is evidence that an electric current produces a magnetic field.
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.
What is magnetic striping evidence of?
Magnetic reversals and sea floor spreading.
What Magnetic striping evidence of?
Magnetic reversals and sea floor spreading.
