Magnets And Magnetic Fields

8 Questions | Total Attempts: 1843

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Magnetic Field Quizzes & Trivia

Questions and Answers
  • 1. 
    Which of the following statements correctly describes the behavior of magnets?
    • A. 

      Like poles attract each other, and unlike poles repel each other.

    • B. 

      Like poles repel each other, and unlike poles attract each other.

    • C. 

      Both like and unlike poles can attract and repel each other depending on the surrounding materials.

    • D. 

      None of the above

  • 2. 
    What do physicists call large groups of atoms whose net spins are aligned because of strong coupling between neighboring atoms?
    • A. 

      Magnetic zones

    • B. 

      Magnetic regions

    • C. 

      Magnetic sectors

    • D. 

      Magnetic domains

  • 3. 
    • A. 

      Magnetic fields are vector quantities.

    • B. 

      Magnetic fields have both magnitude and direction.

    • C. 

      Magnetic field strength increases as the distance from the magnetic source increases.

    • D. 

      Magnetic fields are regions in which magnetic forces can be detected.

  • 4. 
    How is the direction of a magnetic field, B, defined at any location?
    • A. 

      The direction toward which the south pole of a compass needle points

    • B. 

      The direction toward which the north pole of a compass needle points

    • C. 

      The direction that is parallel to the imaginary magnetic field lines

    • D. 

      The direction that is perpendicular to Earth’s magnetic field

  • 5. 
    What describes  ΦM?
    • A. 

      Magnetic flux

    • B. 

      The number of field lines that cross a certain area

    • C. 

      ABcosθ

    • D. 

      All of the above

  • 6. 
    Since more magnetic field lines cross the area that is near the pole of a magnet, what does this indicate about the magnetic field strength in that location?
    • A. 

      It is stronger.

    • B. 

      It is weaker.

    • C. 

      It is entering the magnet.

    • D. 

      It is leaving the magnet.

  • 7. 
    • A. 

      Magnetic field lines form open or closed loops.

    • B. 

      Magnetic field lines appear to begin at the north pole of a magnet.

    • C. 

      Magnetic field lines have no beginning or end.

    • D. 

      Magnetic field lines appear to end at the south pole of a magnet.

  • 8. 
    Which of the following statements about the orientation and effects of Earth’s magnetic field is not true?
    • A. 

      The geographic North Pole of Earth is near the magnetic south pole.

    • B. 

      A compass needle that can rotate both perpendicularly and parallel to the surface of Earth, points down at the magnetic south pole.

    • C. 

      A compass needle always indicates the direction of true north.

    • D. 

      The geographic South Pole of Earth corresponds to the magnetic north pole.