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What is the primary reason for the Earth's magnetic field? (2020)

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Question: What is the primary reason for the Earth\'s magnetic field? (2020)

Options:

  1. Movement of the crust
  2. Flow of molten iron in the outer core
  3. Solar winds
  4. Tectonic activity

Correct Answer: Flow of molten iron in the outer core

Exam Year: 2020

Solution: 

The Earth\'s magnetic field is primarily generated by the flow of molten iron in the outer core.

What is the primary reason for the Earth's magnetic field? (2020)

Practice Questions

Q1
What is the primary reason for the Earth's magnetic field? (2020)
  1. Movement of the crust
  2. Flow of molten iron in the outer core
  3. Solar winds
  4. Tectonic activity

Questions & Step-by-Step Solutions

What is the primary reason for the Earth's magnetic field? (2020)
  • Step 1: Understand that the Earth has a core made of iron.
  • Step 2: Know that the outer core is liquid and very hot.
  • Step 3: Learn that the movement of this molten iron creates electric currents.
  • Step 4: Realize that these electric currents produce a magnetic field.
  • Step 5: Conclude that the flow of molten iron in the outer core is the main reason for the Earth's magnetic field.
No concepts available.
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