-'If the resistivity of pure silicon is 2300 (0. m) and assuming that the valance electrons of silicon is 4. Let T = 300 K. (a) Calculate the electron density per cubic meter (b) Calculate the electron mobility when the electron density is doubled.

-'If the resistivity of pure silicon is 2300 (0. m) and assuming that the valance electrons of silicon is 4. Let T = 300 K. (a) Calculate the electron density per cubic meter (b) Calculate the electron mobility when the electron density is doubled.

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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Question

'If the resistivity of pure silicon is 2300 (2. m) and assuming that the valance
electrons of silicon is 4.
Let T = 300 K.
(a) Calculate the electron density per cubic meter
(b) Calculate the electron mobility when the electron density is doubled.
Note: Avogadro's number is 8.61 x 10 mol
Atomic mass of silicon is 28.08 g/mol, mass density is 2.33 g/cm

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