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

  • A
    Earth is a planet rotating about the North-South axis.
  • B
    Earth is surrounded by ionosphere.
  • C
    $A$ large quantity of iron-ore is found in the Earth.
  • D
    The intensity of cosmic rays (stream of charged particles) is more at the poles than at the equator.

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Similar Questions

The value of the angle of dip is zero at the magnetic equator because on it:

Which of the following statements is incorrect?

The magnetic field of the Earth at the equator is approximately $4 \times 10^{-5} \, T$. The radius of the Earth is $6.4 \times 10^6 \, m$. Then the dipole moment of the Earth will be nearly of the order of:

The line on the earth's surface joining the points where the magnetic field is horizontal is known as:

What is the dynamo effect?

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