1 files changed, 12 insertions, 0 deletions
diff --git a/3669/CH8/EX8.9/9.sce b/3669/CH8/EX8.9/9.sce
new file mode 100644
index 000000000..a314224dc
--- /dev/null
+++ b/3669/CH8/EX8.9/9.sce
@@ -0,0 +1,12 @@
+
+//Variable declaration
+mewe=0.13;     //mobility of electrons(m**2/Vs)
+mewh=0.05;    //mobility of holes(m**2/Vs)
+e=1.6*10**-19;
+ni=1.5*10**16;     //intrinsic concentration(per m**3)
+
+//Calculation
+sigma=ni*e*(mewe+mewh);     //conductivity(per ohm m)  
+
+//Result
+printf('conductivity is %0.3f  *10**-4 per ohm m   \n',sigma*10**4)  
+\ No newline at end of file