1 files changed, 16 insertions, 0 deletions
diff --git a/3020/CH16/EX16.12/ex16_12.sce b/3020/CH16/EX16.12/ex16_12.sce
new file mode 100755
index 000000000..69209d548
--- /dev/null
+++ b/3020/CH16/EX16.12/ex16_12.sce
@@ -0,0 +1,16 @@
+clc;
+clear all;
+e = 1.6e-19; // Charge of an electron
+m = 9.11e-31; // Mass of an electron in Kg
+rho = 1.54e-8; // Resistivity
+EF= 5.5*e; // Fermi energy in joule
+n = 5.8e28; // Concentration of electrons per cubic meters
+E = 100; // Electric field in V/m
+tr = m/(rho*n*e^2); // Relaxation time
+u = (e*tr)/m; // Mobility of electrons
+disp('m^2/(V.s)',u,'Mobility of electrons')
+vd = (e*tr*E)/m; //drift velocity of electrons
+disp('m/s',vd,'The drift velocity of electrons is')
+VF = sqrt((2*EF)/m);// Fermi velocity
+lambda = VF*tr; // Mean free path
+disp('m',lambda,'The mean free path is')