JEE Main & Advanced Physics Semiconducting Devices Question Bank Self Evaluation Test - Semiconductor Electronics: Materials, Devices and Simple Circuits

  • question_answer
    Carbon, silicon and germanium have four valence electrons each. At room temperature which one of the following statements is most appropriate?

    A)  The number of free electrons for conduction is significant only in \[Si\] and \[Ge\] but small in C.

    B)  The number of free conduction electrons is significant in C but small in \[Si\] and \[Ge\].

    C)  The number of free conduction electrons is negligibly small in all the three.

    D)  The number of free electrons for conduction is significant in all the three.

    Correct Answer: A

    Solution :

    [a] Not available


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