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

---
 273/CH19/EX19.1/ex19_1.sce | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100755 273/CH19/EX19.1/ex19_1.sce

(limited to '273/CH19/EX19.1')

diff --git a/273/CH19/EX19.1/ex19_1.sce b/273/CH19/EX19.1/ex19_1.sce
new file mode 100755
index 000000000..2d20bdaa3
--- /dev/null
+++ b/273/CH19/EX19.1/ex19_1.sce
@@ -0,0 +1,15 @@
+clc;clear;
+//Example 19.1
+//calculation of potential barrier
+
+//given values
+e=1.6*10^-19;
+n=4.4*10^28;//no of atoms per m^3
+kT=.026*e;//temp eqvlnt at room temp
+ni=2.4*10^19;//no of intrinsic carriers per m^3
+NA=n/10^6;//no of acceptors
+ND=n/10^6;//no of donors
+
+//calculation
+V=(kT/e)*log(NA*ND/ni^2);
+disp(V,'potential barrier in volts is');
-- 
cgit