12th Class Physics Magnetism Question Bank Assertion And Reason (MCQs) - Moving Charges and Magnetism

  • question_answer
    Directions: In the following questions, a statement of Assertion [A] is followed by a statement of Reason (R). Mark the correct choice as:
    Assertion [A]: If two Long wires, hanging freely are connected to a battery in series, they come closer to each other.
    Reason (R): Force of attraction acts between the two wires carrying current.

    A) Both Assertion [A] and Reason (R) are true and Reason (R) is the correct explanation of Assertion [A]

    B) Both Assertion [A] and Reason (R) are true but Reason (R) is not the correct explanation of Assertion [A]

    C) Assertion [A] is true but Reason (R) is false

    D) Assertion [A] is false and Reason (R) is also false

    Correct Answer: D

    Solution :

    [d] When two long parallel wires are connected to a battery in series, they carry currents in opposite directions, hence they repel each other.


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