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How strong is the Earth's magnetic field and what factors influence its intensity?
The Earth's magnetic field is relatively strong, with a strength of about 25 to 65 microteslas at the surface. The intensity of the Earth's magnetic field is influenced by factors such as the movement of molten iron in the outer core, the rotation of the Earth, and the interactions between the Earth's magnetic field and the solar wind.
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Where is the Earths magnetic field at its strongest?
The Earth's magnetic field is strongest at the North and South magnetic poles, which are not the same as the geographic North and South poles. The magnetic field strength varies at different locations on the Earth's surface.
What cause deviation in a magnetic compass?
The compass needle will only align itself with the magnetic meridian if it is free from all other influences except the magnetic field of earth.This is rarely so, particularly on a ship which constructed on steel. The magnetism induced in the steel by the earths magnetic field causes the compass needle to deviate from the magnetic meridian, by an amount which is called the DEVIATION.
Is a compass affected by the earths magnetic field?
Yes, a compass works by aligning itself with the Earth's magnetic field to determine direction. The needle in a compass is magnetized and will point towards the Earth's magnetic north pole.
Earths magnetic field does not affect what?
Earth's magnetic field does not affect light or sound. It primarily interacts with charged particles such as electrons and protons in Earth's atmosphere and in space.
What forms when earths magnetic field changes direction?
When Earth's magnetic field changes direction, it results in a phenomenon known as geomagnetic reversal or magnetic flip. This process involves the magnetic north and south poles switching positions. These reversals have occurred throughout Earth's history and have been recorded in the rock record.
Why do scientists believethat the inner core is the source of earth's magnetic field?
The core is a dense chunck of metal that influence the earths magnetic field.
What effect does the earths magnetic field have on the intensity of cosmic rays striking the earths surface?
The Earth's magnetic field acts as a shield, deflecting charged particles (cosmic rays) away from the surface. This helps reduce the intensity of cosmic rays reaching the Earth's surface. However, cosmic rays can still penetrate the atmosphere at higher latitudes where the magnetic field is weaker.
The possible source of earths magnetic core is?
The molten iron and medals inside the earths core are the reasons for the earths magnetic core.
What changes in cosmic ray intensity at earths surface would you expect during periods in which earths magnetic field passed through a zero phase while undergoing pole reversals?
Cosmic ray intensity at Earth's surface would be greater when Earth's magnetic field passed through a zero phase because magnetic shifting is minimal. Fossil evidence suggests that the periods of no protective magnetic field may have been as important in changing life forms as x-rays have been in the famous heredity studies of fruit flies.
Is earths core a source of earths magnetic field?
Yes.
Earth's magnetic field results from the spinning of the?
The earths magnetic field results from deep in the earths core. Magnetic conduction from within the earths core is believed to be the cause of this.
Why do scientists believe that the inner core is the source of earths magnetic field?
because it has the hydro electric power to control the earths magnetic field
Switch in direction of earths magnetic north and south poles?
Magnetic Reversal
What is the magnetic field called?
It is Earths' "Magnetosphere".
What happens in earths interior to produce earths magnetic?
The movements in the liquid inner core.
How are the Earths magnetic field made?
It is made by the movement of the earths core and magma field
What is it called when earths magnetic poles change poles?
This is known as magnetic reversal when earth's magnetic poles change places.
