12th Class Physics Semiconducting Devices Question Bank Semiconducting Devices Conceptual Problems

  • question_answer
    How does the energy gap in an intrinsic semiconductor vary, when doped with a pentavalent impurity?           

    Answer:

                        The energy gap decreases when a semiconductor is doped with a pentavalent impurity due to the creation of a donor energy level just below the bottom of the conduction band.


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