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Birkeland Currents and Earth's Magnetosphere Quiz
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Birkeland Currents and Earth's Magnetosphere Quiz

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@AmazedBeauty

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Questions and Answers

What drives the Birkeland currents in the Earth's magnetosphere?

  • Solar wind and interplanetary magnetic field (correct)
  • Ocean currents
  • Atmospheric pressure and temperature
  • Tectonic plate movements

    • What do small scale variations in the upward current sheets accelerate?

  • Ocean currents
  • Atmospheric nitrogen
  • Magnetospheric electrons (correct)
  • Tectonic plate movements

    • What do the accelerated magnetospheric electrons create when they reach the upper atmosphere?

  • Tornadoes
  • Auroras Borealis and Australis (correct)
  • Rainbows
  • Hurricanes

    • Where do the Birkeland currents close through in the high latitude ionosphere?

    <p>The region of the auroral electrojet</p> Signup and view all the answers

    In which direction does the auroral electrojet flow in the ionosphere?

    <p>Perpendicular to the local magnetic field</p> Signup and view all the answers

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