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

---
 3440/CH7/EX7.3/Ex7_3.sce | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 3440/CH7/EX7.3/Ex7_3.sce

(limited to '3440/CH7/EX7.3')

diff --git a/3440/CH7/EX7.3/Ex7_3.sce b/3440/CH7/EX7.3/Ex7_3.sce
new file mode 100644
index 000000000..0552bcddd
--- /dev/null
+++ b/3440/CH7/EX7.3/Ex7_3.sce
@@ -0,0 +1,23 @@
+clc
+
+T=300 //K
+k=8.617*10^-5 //eV/K
+q=1.6*10**-19 //C
+epsilons=8.854*10^-31 //F/cm
+ni=9.65*10^9//cm^-3
+ND=5*10^19//cm^-3
+phibn=0.8//V
+I=1//A
+mn=0.26
+Rc=10^-6//ohm cm^2
+A=10^-5//cm^2
+h=1.05*10^-34
+a=Rc/A
+disp(a,"Rc/A in ohm is=")
+C2=(4*sqrt(mn*epsilons*(1.05*10^-10)))/h
+disp(C2,"C2 in m^(3/2)/V is= ")                 //texbook ans is wrong
+I0=(A/Rc)*(sqrt(ND*10^6)/C2)*exp((C2*phibn)/sqrt(ND*10^6))
+disp(I0,"I0 in A is= ")         //textbook ans is wrong
+V=phibn-(sqrt(ND)/C2)*log(I0/I)
+disp(V,"V in V is= ")
+
-- 
cgit