4 files changed, 58 insertions, 0 deletions
diff --git a/3665/CH5/EX5.1/Ex5_1.sce b/3665/CH5/EX5.1/Ex5_1.sce
new file mode 100644
index 000000000..1c72e385d
--- /dev/null
+++ b/3665/CH5/EX5.1/Ex5_1.sce
@@ -0,0 +1,14 @@
+clc//
+//
+//
+
+//Variable declaration
+k=1.38*10^-23;    //boltzmann constant(J)
+T=300;       //temperature(K)
+e=1.6*10^-19;     //charge(c)
+
+//Calculation
+E=3*k*T/(2*e);     //average thermal energy(eV)
+
+//Result
+printf("\n average thermal energy is %0.3f eV",E)
diff --git a/3665/CH5/EX5.3/Ex5_3.sce b/3665/CH5/EX5.3/Ex5_3.sce
new file mode 100644
index 000000000..272ddbc90
--- /dev/null
+++ b/3665/CH5/EX5.3/Ex5_3.sce
@@ -0,0 +1,13 @@
+clc//
+//
+//
+
+//Variable declaration
+kT=1;    //assume
+E_Ef=kT;
+
+//Calculation
+FE=1/(1+exp(1));     //fermi function
+
+//Result
+printf("\n fermi function is %0.3f ",FE)
diff --git a/3665/CH5/EX5.4/Ex5_4.sce b/3665/CH5/EX5.4/Ex5_4.sce
new file mode 100644
index 000000000..ef1ab0de1
--- /dev/null
+++ b/3665/CH5/EX5.4/Ex5_4.sce
@@ -0,0 +1,17 @@
+clc//
+//
+//
+
+//Variable declaration
+FE=10/100;     //fermi function
+EF=5.5;     //energy function(eV)
+e=1.6*10^-19;     //charge(c)
+k=1.38*10^-23;    //boltzmann constant(J)
+
+//Calculation
+E=EF+(EF/100);    //energy(eV)
+x=log((1/FE)-1);
+T=(E-EF)*e/(k*x);     //temperature(K)
+
+//Result
+printf("\n temperature is %0.1f K",T)
diff --git a/3665/CH5/EX5.5/Ex5_5.sce b/3665/CH5/EX5.5/Ex5_5.sce
new file mode 100644
index 000000000..73e5126ee
--- /dev/null
+++ b/3665/CH5/EX5.5/Ex5_5.sce
@@ -0,0 +1,14 @@
+clc//
+//
+//
+
+//Variable declaration
+k=1.38*10^-23;    //boltzmann constant(J)
+T=24600;     //temperature(K)
+m=9.108*10^-31;    //mass(kg)
+
+//Calculation
+vF=sqrt(2*k*T/m);     //fermi velocity(m s-1)
+
+//Result
+printf("\n fermi velocity is %0.2f *10^6 m s-1",vF/10^6)