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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 /3557/CH17/EX17.2/Ex17_2.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3557/CH17/EX17.2/Ex17_2.sce')
| -rw-r--r-- | 3557/CH17/EX17.2/Ex17_2.sce | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/3557/CH17/EX17.2/Ex17_2.sce b/3557/CH17/EX17.2/Ex17_2.sce new file mode 100644 index 000000000..4080d3008 --- /dev/null +++ b/3557/CH17/EX17.2/Ex17_2.sce @@ -0,0 +1,17 @@ +//Example 17.2//
+
+n=23*10^18; //m^-3 //density of conduction electron
+q=0.16*10^-18;//C //one elementary charge
+ue=0.364;//m^2/(V.s) //electron mobility of germanium
+uh=0.190;//m^2/(V.s)//hole mobility of germanium
+si=n*q*(ue+uh)
+mprintf("si = %f ohm^-1 m^-1",si)
+Eg=0.66;//eV //band gap
+k=(86.2*10^-6);//eV/K //Boltzmann constant
+T=300;//K //absolute temperature
+s0=si*%e^(Eg/(2*k*T))
+mprintf("\ns0 = %e ohm^-1 m^-1",s0)
+//Then
+T1=473;//K //absolute temperature
+s2=s0*%e^-(Eg/(2*k*T1))
+mprintf("\ns2 = %i ohm^-1 m^-1",s2)
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