10th Class Science Electricity and Circuits Question Bank Electricity

  • question_answer
    Electric current is due to drift of electrons in

    A)  Metallic conductors  

    B)  Semiconductors

    C)  Both [a] and [b] above

    D)  None of the above

    Correct Answer: A

    Solution :

     In semiconductors, current is due to recombination of electrons and holes. In metals current is due to drift of electrons due to externally applied field.


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