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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
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| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3768/CH9/EX9.11/Ex9_11.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3768/CH9/EX9.11/Ex9_11.sce')
| -rw-r--r-- | 3768/CH9/EX9.11/Ex9_11.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/3768/CH9/EX9.11/Ex9_11.sce b/3768/CH9/EX9.11/Ex9_11.sce new file mode 100644 index 000000000..729e4a60a --- /dev/null +++ b/3768/CH9/EX9.11/Ex9_11.sce @@ -0,0 +1,19 @@ +//Example number 9.11, Page number 207 + +clc;clear; +close; + +//Variable declaration +ni=2.5*10**19; //charge carriers(per m**3) +r=10**-6; //ratio +e=1.6*10**-19; //charge(c) +mew_e=0.36; //electron mobility(m**2/Vs) +mew_h=0.18; //hole mobility(m**2/Vs) +N=4.2*10**28; //number of atoms(per m**3) +//Calculation +Ne=r*N; //number of impurity atoms(per m**3) +Nh=ni**2/Ne; +sigma=(Ne*e*mew_e)+(Nh*e*mew_h); //conductivity(ohm m) +rho=1/sigma; //resistivity of material(per ohm m) +//Result +printf("resistivity of material is %.4e ohm-m",rho) |