From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001
From: prashantsinalkar
Date: Tue, 10 Oct 2017 12:27:19 +0530
Subject: initial commit / add all books

---
 3755/CH8/EX8.3/Ex8_3.sce | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 3755/CH8/EX8.3/Ex8_3.sce

(limited to '3755/CH8/EX8.3/Ex8_3.sce')

diff --git a/3755/CH8/EX8.3/Ex8_3.sce b/3755/CH8/EX8.3/Ex8_3.sce
new file mode 100644
index 000000000..453da9785
--- /dev/null
+++ b/3755/CH8/EX8.3/Ex8_3.sce
@@ -0,0 +1,19 @@
+clear
+//
+//
+//
+
+//Variable declaration
+me=9.1*10^-31;          //mass of electron(kg)
+kb=1.38*10^-23;      //boltzmann constant
+T=300;      //temperature(K)
+h=6.62*10^-34;      //planck's constant
+Eg=0.7;     //band gap(eV)
+e=1.6*10^-19;      //charge(c)
+
+//Calculation
+x=2*%pi*me*kb*T/(h^2);  
+n=2*(x^(3/2))*exp(-Eg*e/(2*kb*T));       //density of holes and electrons(per m^3)
+
+//Result
+printf("\n density of holes and electrons is %0.3f *10^19 per m^3",n/10^19)
-- 
cgit