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    Question

    Which of the following is NOT a property of magnetic

    lines of force?
    A Magnetic lines of force are open curves. Correct Answer Incorrect Answer
    B Two lines of force never intersect. Correct Answer Incorrect Answer
    C If the lines are crowded, the field is strong. Correct Answer Incorrect Answer
    D Parallel and equidistant lines indicate a uniform magnetic field. Correct Answer Incorrect Answer

    Solution

    Magnetic lines of force are closed loops, extending from the North Pole to the South Pole outside the magnet and from the South Pole to the North Pole inside. They never intersect and indicate the field's strength and uniformity through their spacing.

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