JEE Main & Advanced Physics Semiconducting Devices Question Bank Semiconductors

  • question_answer
    When N-type of semiconductor is heated [CBSE PMT 1993; DPMT 2000]

    A)            Number of electrons increases while that of holes decreases

    B)            Number of holes increases while that of electrons decreases

    C)            Number of electrons and holes remains same

    D)            Number of electrons and holes increases equally

    Correct Answer: D

    Solution :

               When a free electron is produced, simultaneously a hole is also produced.


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