Exam 8 Target 7 Retake Preap

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  • 1/5 Questions

    Which of the following situations is true for magnets?

    • A. Like poles repel each other.
    • B. Unlike poles repel each other.
    • C. North poles repel each other.
    • D. A north pole and a south pole will attract each other.
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About This Quiz

This quiz assesses understanding of magnetic fields, focusing on properties and behaviors of magnets, including field lines and pole interactions.

Exam 8 Target 7 Retake Preap - Quiz

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  • 2. 

    Where is the magnitude of the magnetic field around a permanent magnet greatest?

    • A. close to the poles

    • B. far from the poles

    • C. The magnitude is equal at all points on the field.

    • D. The magnitude depends on the material of the magnet.

    Correct Answer
    A. A. close to the poles
    Explanation
    The magnitude of the magnetic field around a permanent magnet is greatest close to the poles. This is because the magnetic field lines are more concentrated and closer together near the poles, resulting in a higher magnitude of the magnetic field. As you move away from the poles, the field lines spread out and become less concentrated, causing the magnitude of the magnetic field to decrease.

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  • 3. 

    Which of the following statements about magnetic field lines is not true?

    • A. Magnetic field lines have no beginning or end.

    • B. Magnetic field lines form open or closed loops.

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

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

    Correct Answer
    A. B. Magnetic field lines form open or closed loops.
    Explanation
    Magnetic field lines do not form open or closed loops. Instead, they always form closed loops, starting from the north pole and ending at the south pole of a magnet. This is a fundamental property of magnetic field lines and is a key concept in understanding the behavior of magnets and their interactions with other objects.

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  • 4. 

    All of the following statements about magnetic field lines around a permanent magnet are true which one?

    • A. Magnetic field lines appear to end at the north pole of a magnet.

    • B. Magnetic field lines have no beginning or end.

    • C. Magnetic field lines always form a closed loop.

    • D. In a permanent magnet, the field lines actually continue within the magnet itself.

    Correct Answer
    A. A. Magnetic field lines appear to end at the north pole of a magnet.
    Explanation
    The correct answer is a. Magnetic field lines appear to end at the north pole of a magnet. This is because the magnetic field lines are a representation of the direction and strength of the magnetic field. They are drawn from the north pole to the south pole of a magnet, indicating the flow of the magnetic field. At the north pole, the field lines appear to end because they are entering the magnet. Similarly, at the south pole, the field lines appear to originate because they are exiting the magnet.

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  • 5. 
    Which compass needle orientation in the figure on the right might correctly describe the magnet’s field at that point? - ProProfs

    Which compass needle orientation in the figure on the right might correctly describe the magnet’s field at that point?

    • a. a

    • b. b

    • c. c

    • d. d

    Correct Answer
    A. a. a
    Explanation
    The correct answer is a. The orientation of the compass needle in option a matches the direction of the magnetic field at that point. This can be determined by observing the alignment of the needle with the field lines in the figure.

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Quiz Review Timeline (Updated): Sep 7, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Sep 07, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 09, 2015
    Quiz Created by
    Sfduke
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