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

---
 2102/CH2/EX2.20/exa_2_20.sce | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100755 2102/CH2/EX2.20/exa_2_20.sce

(limited to '2102/CH2/EX2.20')

diff --git a/2102/CH2/EX2.20/exa_2_20.sce b/2102/CH2/EX2.20/exa_2_20.sce
new file mode 100755
index 000000000..99a41ef76
--- /dev/null
+++ b/2102/CH2/EX2.20/exa_2_20.sce
@@ -0,0 +1,14 @@
+// Exa 2.20
+clc;
+clear;
+close;
+// Given data
+N_D= 5*10^22/10^8;
+q=1.6*10^-19;// in C
+ni= 1.45*10^10;// per m^3
+miu_n= 1300;// in m^2/Vs
+// n*p= ni^2 or N_D*p = ni^2
+p= ni^2/N_D;// in /cm^3
+sigma= q*miu_n*N_D;// in (Ωcm)^-1
+rho= 1/sigma;//in Ωcm
+disp(rho,"Resistivity in Ωcm is : ")
-- 
cgit