A uniform n-type silicon bar has length 2 μm and cross-sectional area 0.25 x 10-¹2 m. A potential of 1 V is applied across it. Suppose ND 10¹6/cm³ and un = 1350 cm²/V. a) Find the electron drift velocity. b) Time it takes an electron to cross the 2 μm length. c) Calculate the drift-current density, and drift current in the silicon bar.
A uniform n-type silicon bar has length 2 μm and cross-sectional area 0.25 x 10-¹2 m. A potential of 1 V is applied across it. Suppose ND 10¹6/cm³ and un = 1350 cm²/V. a) Find the electron drift velocity. b) Time it takes an electron to cross the 2 μm length. c) Calculate the drift-current density, and drift current in the silicon bar.
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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