From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 3492/CH5/EX5.9/Ex5_9.sce | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 3492/CH5/EX5.9/Ex5_9.sce

(limited to '3492/CH5/EX5.9/Ex5_9.sce')

diff --git a/3492/CH5/EX5.9/Ex5_9.sce b/3492/CH5/EX5.9/Ex5_9.sce
new file mode 100644
index 000000000..952fd7528
--- /dev/null
+++ b/3492/CH5/EX5.9/Ex5_9.sce
@@ -0,0 +1,19 @@
+clc
+//Chapter5
+//Ex_9
+//Given
+e=1.6*10^-19 // in coulombs
+Nd=10^17 //in cm^-3
+Na=9*10^16 //in cm^-3
+//part(a)
+ue1=800 // at 300 kelvin ue in cm2/V/s
+sigma1=e*Nd*ue1
+ue2=420 // at 400 kelvin ue in cm2/V/s
+sigma2=e*Nd*ue2
+disp(sigma2,sigma1,"when Si sample is doped with 10^17 arsenic atoms/cm3, the conductivity of the sample at 300K and 400K in ohm^-1*cm^-1 is")
+//part(b)
+ue1=600 // at 300 kelvin ue in cm2/V/s
+sigma1=e*(Nd-Na)*ue1
+ue2=400 // at 400 kelvin ue in cm2/V/s
+sigma2=e*(Nd-Na)*ue2
+disp(sigma2,sigma1,"when n-type Si is further doped with 9*10^16 boron atoms /cm3, the conductivity of the sample at 300K and 400K in ohm^-1*cm^-1 is")
-- 
cgit