2- A copper wire of 3mm diameter with conductivity of 6.7 * 10' (Q.m), and electron mobility of 0.0064 m N sec. Is subjected to an electric field of 30 mV/m. Find (a) the charge density of free electrons, (b) the current density, (c) current flowing in the wire, (d) the electron draft velocity.

2- A copper wire of 3mm diameter with conductivity of 6.7 * 10' (Q.m), and electron mobility of 0.0064 m N sec. Is subjected to an electric field of 30 mV/m. Find (a) the charge density of free electrons, (b) the current density, (c) current flowing in the wire, (d) the electron draft velocity.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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and 0.2 m2 N.sec. respectively.
2- A copper wire of 3mm diameter with conductivity of 6.7 10 (0.m), and
electron mobility of 0.0064 m N sec. Is subjected to an electric field of 30
mV/m.
Find (a) the charge density of free electrons,
(b) the current density,
(c) current flowing in the wire,
(d) the electron draft velocity.
15
3- A cylindrical piece of Ge having diameter of 3 mm, is doped with 10 atom/
Go NOuld he required to give a

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