Strength of earth's magnetic field

In summary, the strength of the Earth's total magnetic field is maximum at the poles, where the total field is purely contributed by the vertical component. At the equator, the total field is purely contributed by the horizontal component. It is unknown whether the magnitude of the vertical component at the poles is greater, less, or equal to the magnitude of the horizontal component at the equator. The strength of the magnetic field is determined by the flux density or density of lines of force, with the lines of force being most concentrated at the poles.
  • #1
Amith2006
427
2
1)Where is the strength of earth’s total magnetic field maximum?
At the poles, total magnetic field is purely contributed by vertical component and at the equator, the total magnetic field is purely contributed by horizontal component. But I don't know whether the magnitude of the vertical component at the poles is greater or less or equal to the magnitude of the horizontal component at the equator. How about the field at places in between these 2?
 
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  • #2
Amith2006 said:
1)Where is the strength of earth’s total magnetic field maximum?
At the poles, total magnetic field is purely contributed by vertical component and at the equator, the total magnetic field is purely contributed by horizontal component. But I don't know whether the magnitude of the vertical component at the poles is greater or less or equal to the magnitude of the horizontal component at the equator. How about the field at places in between these 2?
The strength of the magnetic field corresponds to the flux density or density of lines of force (no. of lines passing through a unit of area perpendicular to the lines of force). Draw the lines of force of the Earth's magnetic field. Where are the lines of force most concentrated?

AM
 
  • #3
Andrew Mason said:
The strength of the magnetic field corresponds to the flux density or density of lines of force (no. of lines passing through a unit of area perpendicular to the lines of force). Draw the lines of force of the Earth's magnetic field. Where are the lines of force most concentrated?

AM
I have got ur point.Thanks.
 

What is the strength of the earth's magnetic field?

The strength of the earth's magnetic field at its surface is approximately 25 to 65 microteslas (µT). This can vary depending on location and time, but it is generally considered to be around 50 µT.

How is the strength of the earth's magnetic field measured?

The strength of the earth's magnetic field is measured using a device called a magnetometer. This instrument can detect and measure the strength and direction of magnetic fields.

Why does the strength of the earth's magnetic field vary?

The strength of the earth's magnetic field is constantly changing due to various factors such as the movement of molten iron in the Earth's core, solar activity, and the Earth's rotation. This results in fluctuations in the strength of the magnetic field over time.

What are the effects of a strong or weak magnetic field on Earth?

A strong magnetic field can offer protection from harmful solar radiation and cosmic rays, while also aiding in navigation for animals and humans. A weak magnetic field can lead to increased exposure to radiation and potential disruptions in communication and navigation systems.

Can the strength of the earth's magnetic field be predicted?

While scientists can make observations and predictions about the strength of the earth's magnetic field, it is not possible to accurately predict its exact strength at a specific time and location. However, ongoing research and advancements in technology may lead to improved understanding and forecasting of the earth's magnetic field in the future.

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