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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 /3651/CH6/EX6.1 | |
| 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 '3651/CH6/EX6.1')
| -rw-r--r-- | 3651/CH6/EX6.1/1.sce | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/3651/CH6/EX6.1/1.sce b/3651/CH6/EX6.1/1.sce new file mode 100644 index 000000000..e8d453386 --- /dev/null +++ b/3651/CH6/EX6.1/1.sce @@ -0,0 +1,18 @@ +//Variable declaration
+ni1=2.5*10**19; //number of electron hole pairs
+T1=300; //temperature(K)
+Eg1=0.72*1.6*10**-19; //energy gap(J)
+k=1.38*10**-23; //boltzmann constant
+T2=310; //temperature(K)
+Eg2=1.12*1.6*10**-19; //energy gap(J)
+
+//Calculation
+x1=-Eg1/(2*k*T1);
+y1=(T1**(3/2))*exp(x1);
+x2=-Eg2/(2*k*T2);
+y2=(T2**(3/2))*exp(x2);
+ni=ni1*(y2/y1); //number of electron hole pairs
+
+//Result
+printf('number of electron hole pairs is %0.3f *10**16 per cubic metre \n',(ni/10**16))
+printf('answer varies due to ing off errors')
\ No newline at end of file |