diff options
Diffstat (limited to '3669/CH8/EX8.10/10.sce')
-rw-r--r-- | 3669/CH8/EX8.10/10.sce | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/3669/CH8/EX8.10/10.sce b/3669/CH8/EX8.10/10.sce new file mode 100644 index 000000000..65c2ecffd --- /dev/null +++ b/3669/CH8/EX8.10/10.sce @@ -0,0 +1,18 @@ +
+//Variable declaration
+mewe=0.14; //mobility of electrons(m**2/Vs)
+mewh=0.05; //mobility of holes(m**2/Vs)
+e=1.6*10**-19;
+ni=1.5*10**16; //intrinsic concentration(per m**3)
+A=28.09; //atomic weight
+D=2.33*10**3; //density(kg/m**3)
+Na=6.025*10**26; //avagadro number
+
+//Calculation
+N=Na*D/A; //number of atoms(per m**3)
+n=N/10**8; //electron concentration(per m**3)
+p=ni**2/n; //hole concentration(per m**3)
+sigma=e*((n*mewe)+(p*mewh)); //conductivity(per ohm m)
+
+//Result
+printf('conductivity is %0.3f per ohm m\n \n',(sigma) )
\ No newline at end of file |