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Railways Sample Paper RRB (Assistant Loco Pilot) Sample Test Paper-6

  • question_answer
    The two elements that are frequently used for making transistors are-

    A)  Boron and Aluminium

    B)  Silicon and Germenium

    C)  Indium and Tungsten

    D) Niobium and Columbium                        

    Correct Answer: B

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