The Magnetic Universe
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Questions and Answers

Which phenomenon is universal in nature?

  • Light
  • Electricity
  • Magnetism (correct)
  • Gravity

    • What is the origin of the word 'magnet'?

  • Named after a scientist named Magnet
  • Named after an island in Greece called Magnesia (correct)
  • Derived from the Latin word 'magnus'
  • Derived from the Greek word 'magnesia'

    • Who is credited with the discovery that moving charges produce magnetic fields?

  • Galileo, Kepler, Hooke and Copernicus
  • Oersted, Ampere, Biot and Savart (correct)
  • Newton, Einstein, Tesla and Faraday
  • Bohr, Planck, Heisenberg and Schrodinger

    • How does a freely suspended bar magnet align itself?

    <p>North-South</p> Signup and view all the answers

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

    <p>From south to north</p> Signup and view all the answers

    What is the significance of the island magnesia in the study of magnetism?

    <p>It is the place where magnetic ore deposits were found as early as 600 BC.</p> Signup and view all the answers

    What is the main subject of the present chapter?

    <p>Magnetism</p> Signup and view all the answers

    Who are some of the scientists credited with the discovery of moving charges producing magnetic fields?

    <p>Oersted, Ampere, Biot, and Savart</p> Signup and view all the answers

    What is the behavior of the earth's magnetism?

    <p>It points approximately from the geographic south to the north.</p> Signup and view all the answers

    In which direction does a freely suspended bar magnet point?

    <p>In the north-south direction.</p> Signup and view all the answers

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