Magnetism and Matter: Introduction Quiz
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Questions and Answers

What is the origin of the word magnet?

  • Derived from the Latin word for earth
  • Named after a famous ancient Greek philosopher
  • Derived from the name of an island in Greece where magnetic ore deposits were found (correct)
  • From the Greek word for magnetic ore
  • Who is credited with the discovery that moving charges or electric currents produce magnetic fields?

  • Biot
  • Ampere
  • Oersted (correct)
  • Savart
  • What is the direction of the magnetic field pointing on the earth?

  • From east to west
  • From geographic south to north (correct)
  • From west to east
  • From geographic north to south
  • What do we call the tip of a freely suspended bar magnet that points to the geographic north?

    <p>North pole (D)</p> Signup and view all the answers

    What type of force is observed when north poles of two magnets are brought close together?

    <p>Repulsive force (B)</p> Signup and view all the answers

    Flashcards

    Origin of the word 'magnet'

    The name of an island in Greece where magnetic ore deposits were found.

    Who discovered the relationship between electric currents and magnetic fields?

    Oersted discovered that moving charges or electric currents produce magnetic fields.

    Direction of Earth's magnetic field

    From geographic south to north.

    What is the North Pole of a magnet?

    The tip of a freely suspended bar magnet that points to the geographic north.

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    What happens when two north poles are brought close together?

    Repulsive force is observed when the north poles of two magnets are brought close together.

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