2 files changed, 20 insertions, 0 deletions
diff --git a/1367/CH15/EX15.9/15_9.sce b/1367/CH15/EX15.9/15_9.sce
new file mode 100755
index 000000000..1d7185a30
--- /dev/null
+++ b/1367/CH15/EX15.9/15_9.sce
@@ -0,0 +1,13 @@
+//Calculate Hole concentration 
+//Ex:15.9
+clc;
+clear;
+close;
+nd=10^17;//in per cu cm
+ni=1.5*10^10;//in cu cm
+ne=nd;//nd>>ni
+nh=ni^2/ne;
+disp(nh,"Hole concentration (in per cubic cm) = ");
+t=300;//in K
+e=0.0259*log(ne/ni);//in eV
+disp(e,"Location of Fermi Level (in eV) = ");
+\ No newline at end of file
diff --git a/1367/CH15/EX15.9/15_9r.txt b/1367/CH15/EX15.9/15_9r.txt
new file mode 100755
index 000000000..8b6f9052d
--- /dev/null
+++ b/1367/CH15/EX15.9/15_9r.txt
@@ -0,0 +1,7 @@
+ Hole concentration (in per cubic cm) =    
+ 
+    2250.  
+ 
+ Location of Fermi Level (in eV) =    
+ 
+    0.4069571  
+\ No newline at end of file