2. Solved Papers
  3. RAJASTHAN ­ PET

RAJASTHAN ­ PET Rajasthan PET Solved Paper-2005

  • question_answer
    To obtain a P-type germanium semiconductor, it must be doped with

    A)  boran           

    B)  antimany

    C)  arsenic          

    D)  phosphorus

    Correct Answer: A

    Solution :

     In p-type semiconductor, trivalent impurity is added. Here valency of boron is 3.


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