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

---
 1730/CH3/EX3.2/Exa3_2.sce | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100755 1730/CH3/EX3.2/Exa3_2.sce

(limited to '1730/CH3/EX3.2')

diff --git a/1730/CH3/EX3.2/Exa3_2.sce b/1730/CH3/EX3.2/Exa3_2.sce
new file mode 100755
index 000000000..f09908537
--- /dev/null
+++ b/1730/CH3/EX3.2/Exa3_2.sce
@@ -0,0 +1,22 @@
+//Exa3.2
+clc;
+clear;
+close;
+// given data
+E=5.5;// in eV; (Fermi energy)
+E=E*1.6*10^-19;// in J 
+miu_e=7.04*10^-3; //in m^2/V-s  (Mobility of electrons)
+n=5.8*10^28 ; // in /m^3   (Number of conduction electrons/m^3)
+e=1.6*10^-19; // in coulomb
+m=9.1*10^-31;//in kg
+//(i) Relaxation time,
+tau=miu_e/e*m;
+disp("(i) Relaxation time is : "+string(tau)+" second");
+sigma=(n*e*miu_e);
+//(ii) Resistivity of conductor,
+rho=1/sigma;
+disp("(ii) Resistivity of conductor is : "+string(rho)+" ohm-meter");
+// (iii) Let Velocity of electrons with fermi energy = v
+v=sqrt(2*E/m);
+disp("(iii) Velocity of electron with Fermi-level is : "+string(v)+" m/s");
+
-- 
cgit