2 files changed, 20 insertions, 0 deletions
diff --git a/2243/CH11/EX11.7/Ex11_7.sce b/2243/CH11/EX11.7/Ex11_7.sce
new file mode 100755
index 000000000..09b804ace
--- /dev/null
+++ b/2243/CH11/EX11.7/Ex11_7.sce
@@ -0,0 +1,16 @@
+clc();
+clear;
+//Given :
+//Fraction F = n/N
+Eg = 0.72; // Energy gap in eV
+k = 0.026/300;// kT value at 300 K , so k = kT/T
+T1 = 30; // Temperature in K
+T2 = 300; //Temperature in K
+T3 = 1210;//Temperature in K
+//Fraction of electrons : n/N = exp(-Eg/2*k*T)
+F1 = exp(-Eg/(2*k*T1));
+F2 = exp(-Eg/(2*k*T2));
+F3 = exp(-Eg/(2*k*T3));
+printf(" For 30 K , n/N  = %.1f x 10^-61\n",F1*10^61);
+printf(" For 300 K , n/N  = %.1f x 10^-7\n",F2*10^7);
+printf(" For 1210 K , n/N  = %.3f \n",F3);
diff --git a/2243/CH11/EX11.7/Res11_7.txt b/2243/CH11/EX11.7/Res11_7.txt
new file mode 100755
index 000000000..465746176
--- /dev/null
+++ b/2243/CH11/EX11.7/Res11_7.txt
@@ -0,0 +1,4 @@
+For 30 K , n/N  = 7.4 x 10^-61
+ For 300 K , n/N  = 9.7 x 10^-7
+ For 1210 K , n/N  = 0.032 
+ 
+\ No newline at end of file