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

---
 3020/CH18/EX18.19/ex18_19.sce | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100755 3020/CH18/EX18.19/ex18_19.sce

(limited to '3020/CH18/EX18.19/ex18_19.sce')

diff --git a/3020/CH18/EX18.19/ex18_19.sce b/3020/CH18/EX18.19/ex18_19.sce
new file mode 100755
index 000000000..49f0808c8
--- /dev/null
+++ b/3020/CH18/EX18.19/ex18_19.sce
@@ -0,0 +1,20 @@
+clc;
+clear all;
+i=5e-3;//current flowing through specimen in Amp
+V=1.35;//voltage across specimen
+l=1e-2;//lenth of the sample
+b=5e-3;//breadth of the sample
+t=1e-3;//thickness of the sample
+a=5e-6;//area of the sample
+vy=20e-3;//hall voltage
+H=0.45;//magnetic field
+R=V/i;//resistance
+rho=R*a/l;//resistivity
+Ey=vy/t;//hall effect
+J=i/a;//current density
+ne=H*J/Ey;
+Rh=3*%pi/(ne*8);//hall coefficient
+disp('m^3/C',Rh,'hall coefficient is:');
+u=Rh/rho;//mobility of Ge sample
+disp('m^2/V*s',u,'mobility of Ge sample is:')
+
-- 
cgit