1 files changed, 12 insertions, 0 deletions
diff --git a/3669/CH8/EX8.15/15.sce b/3669/CH8/EX8.15/15.sce
new file mode 100644
index 000000000..6867fbff8
--- /dev/null
+++ b/3669/CH8/EX8.15/15.sce
@@ -0,0 +1,12 @@
+
+//Variable declaration
+Kb=1.38*10**-23;    //boltzmann constant
+T=300;    //temperature(K)
+mewe=0.19;     //mobility of electrons(m**2/Vs)
+e=1.6*10**-19;
+
+//Calculation
+Dn=mewe*Kb*T/e;      //diffusion coefficient(m**2/sec)
+
+//Result
+printf('diffusion coefficient is %0.3f  *10**-3 m**2/sec   \n',(Dn*10**3))
+\ No newline at end of file