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/EX4.13/Ex4_13.sce | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100755 2672/CH4/EX4.13/Ex4_13.sce (limited to '2672/CH4/EX4.13') diff --git a/2672/CH4/EX4.13/Ex4_13.sce b/2672/CH4/EX4.13/Ex4_13.sce new file mode 100755 index 000000000..3b46ece31 --- /dev/null +++ b/2672/CH4/EX4.13/Ex4_13.sce @@ -0,0 +1,20 @@ +//Example 4_13 +clc; +clear; +close; +format('v',9) +//given data : +n0=7.87*10^28;//m^-3 +mu=35.2;//cm^2/vs +E0=30*10^2;//V/m +h=1.05*10^-34;//Js//Planks Constant +e=1.6*10^-19;//C///Charge on electron +//Part (a) +sigma=n0*e*mu*10^-4;//s/m +disp(sigma,"(a) Conductivity(s/m)"); +//Part (b) +V0=E0*mu*10^-4;//m/s +disp(V0,"(b) Drift velocity of electron(m/s)"); +J=sigma*E0;//A/m^3 +disp(J,"(b) Current density(A/m^3)") +//Answer given in the textbook is not accurate. -- cgit