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

---
 2672/CH4/EX4.9/Ex4_9.sce | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100755 2672/CH4/EX4.9/Ex4_9.sce

(limited to '2672/CH4/EX4.9/Ex4_9.sce')

diff --git a/2672/CH4/EX4.9/Ex4_9.sce b/2672/CH4/EX4.9/Ex4_9.sce
new file mode 100755
index 000000000..ca89c5ac3
--- /dev/null
+++ b/2672/CH4/EX4.9/Ex4_9.sce
@@ -0,0 +1,14 @@
+//Example 4_9
+clc;
+clear;
+close;
+format('v',6)
+//given data : 
+//me=2*mh
+meBYmh=2;//ratio
+T=300;//K
+kT=0.026;//eV//at room temperature/T=300 K
+//EF=3/4*kT*log(1/meBYmh)-EG/2
+//position of fermi level below centre of forbidden gap
+EF=-3/4*kT*log(1/meBYmh);//eV
+disp(EF,"Position of fermi level below centre of forbidden gap by (eV) : ");
-- 
cgit