UPSC Physics Electric Current and Magnetism Question Bank Electricity, Magnetism and Light

  • question_answer
          If the electrical resistance of a typical substance suddenly drops to zero then the substance is called                                [NDA]        

    A)                                                                                                                                             superconductor

    B)      semiconductor

    C) conductor         

    D)      insulator

    Correct Answer: A


You need to login to perform this action.
You will be redirected in 3 sec spinner