12th Class Physics Magnetism Question Bank MCQ - Moving Charges and Magnetism

  • question_answer
    If distance between two current carrying wires is doubled, then force between them is:

    A) halved                          

    B) doubled

    C) tripled                           

    D) quadrupled

    Correct Answer: A

    Solution :

    (a) halved. The force acting on one wire due to currents through two wires is inversely proportional to the distance between them. Thus, the force become half if the distance between the wires is doubled.


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