What is the most accepted scientific explanation for the origin of the Earth's magnetic field?

  • A
    The presence of a large permanent magnet at the Earth's core.
  • B
    The rotation of the Earth causing the movement of molten iron and nickel in the outer core,known as the dynamo effect.
  • C
    The magnetic properties of the Earth's crust and mantle.
  • D
    The interaction between the Earth's atmosphere and solar wind.

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Similar Questions

The angle of dip at a place is $40.6^\circ$ and the intensity of the vertical component of the earth's magnetic field $V = 6 \times 10^{-5} \text{ Tesla}$. The total intensity of the earth's magnetic field $(I)$ at this place is:

Which of the following statements proves that Earth has a magnetic field?

The angle between the Earth's magnetic axis and the Earth's geographical axis is approximately $... ^\circ$.

The magnetic field due to the Earth is closely equivalent to that due to:

$A$ magnet hung at $45^{\circ}$ with the magnetic meridian makes an angle of $60^{\circ}$ with the horizontal. The actual value of the angle of dip is.

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