VMMC VMMC Medical Solved Paper-2002

  • question_answer
    Which of following is responsible for the flow of current in a conductor?

    A)  Protons and holes

    B)  Free electrons

    C)  Positive ions

    D)  Protons

    Correct Answer: B

    Solution :

    From the definition of current that flow of electrons is known as current. In conductors, majority carriers are free electrons. Hence, the current in a conductor is due to the motion of free electrons.


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