10th Class Science Magnetic Effects of Electric Current Question Bank Magnetic Effects of Electric Current

  • question_answer
    What happens when two compass needles are placed near a current carrying wire at points P and Q as shown below?

    A) Both the needles will not deflect.

    B) Only needle P will deflect.

    C) Both the needles will deflect in the same direction.

    D) Both the needles will deflect in the opposite direction.

    Correct Answer: D

    Solution :

    As the compass needles are on the opposite sides of the current carrying conductor, their deflections will also be in the opposite directions.


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