J & K CET Medical J & K - CET Medical Solved Paper-2015

  • question_answer
    Conductivity of semiconductors

    A) is maximum at\[0\text{ }K\]

    B) decreases with increase in temperature

    C) increases with increase in temperature

    D) is maximum at 300 K

    Correct Answer: C

    Solution :

    As temperature increases covalent bonds are broken. Large number of electron-hole pairs are created. Thus, conductivity of semiconductor increases with increase of temperature.


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