1. The following data is available for an undoped semiconductor: n; = 1010 /cc, T = 300 K, N =3 x 1019 /cc , and N, = 2.5 x 1019 /cc, me = 9.1 x 10-32 Kg.Determine: (a) The effective mass of the holes in the valance band, (b) the energy gap of thesemiconductor, (c) the Fermi level relative to the conduction band in eV. (d) the thermal velocityof holes.

According to the question, for an intrinsic semiconductor ηi=1010 cm-3T=300 K0;Nc=3×1019…

Answered: 1. The following data is available for…

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter1: Atomic Structure

Section: Chapter Questions

Problem 6RQ: How many valence electrons are generally contained in materials used for insulators?

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6V ol The output signal given above is taken from a circuit with the frequency of the input signal 100 Hz, the capacity of the capacitor used is 4µF, and the value of the ripple factor is 1.21. Answer the following questions using the ones given. The diodes used are silicon diodes, their operating voltages are 0.7 volts, and can be omitted because their resistance is very small. a) draw a graph showing how the output voltage would have been if the capacitor had not been used in this circuit

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