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/CH2/EX2.5/Exa2_5.sce | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100755 1730/CH2/EX2.5/Exa2_5.sce

(limited to '1730/CH2/EX2.5')

diff --git a/1730/CH2/EX2.5/Exa2_5.sce b/1730/CH2/EX2.5/Exa2_5.sce
new file mode 100755
index 000000000..c65585e52
--- /dev/null
+++ b/1730/CH2/EX2.5/Exa2_5.sce
@@ -0,0 +1,17 @@
+//Exa5
+clc;
+clear;
+close;
+//given data :
+rho=1.54*10^-8; //in ohm-meter
+//since sigma=1/roh
+sigma=1/rho;
+n=5.8*10^28 ; //unit less
+e=1.6*10^-19; //in C (electron charge)
+m=9.1*10^-31;//in kg (mass of electron)
+//(i) Relaxation time
+toh=(sigma*m)/(n*e^2);
+disp("(i) Relaxation time of electrons is : "+string(toh)+" seconds");
+//(ii) Mobility of electrons,
+miu_e=(e*toh)/m;
+disp("(ii) Mobility of electrons is : "+string(miu_e)+" m^2/V-s");
-- 
cgit