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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3665/CH8/EX8.8/Ex8_8.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '3665/CH8/EX8.8/Ex8_8.sce')
| -rw-r--r-- | 3665/CH8/EX8.8/Ex8_8.sce | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/3665/CH8/EX8.8/Ex8_8.sce b/3665/CH8/EX8.8/Ex8_8.sce new file mode 100644 index 000000000..dcf5b6f3d --- /dev/null +++ b/3665/CH8/EX8.8/Ex8_8.sce @@ -0,0 +1,25 @@ +clc//
+//
+//
+
+//Variable declaration
+e=1.6*10^-19;
+mew_e=0.36; //electron mobility(m^2/Vs)
+mew_h=0.17; //hole mobility(m^2/Vs)
+rho=2.12; //resistivity(ohm m)
+T=300; //temperature(K)
+k=1.38*10^-23; //boltzmann constant
+m=9.109*10^-31; //mass(kg)
+h=6.626*10^-34; //plancks constant
+
+//Calculation
+sigma=1/rho;
+ni=sigma/(e*(mew_e+mew_h));
+C=2*((2*%pi*m*k/h^2)^(3/2));
+y=C*T^(3/2)/ni;
+z=log(y);
+Eg=2*k*T*z/(1.6*10^-19); //forbidden energy gap(eV)
+
+//Result
+printf("\n forbidden energy gap is %0.3f eV",Eg)
+printf("\n answer varies due to rounding off errors")
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