1 files changed, 22 insertions, 0 deletions
diff --git a/3840/CH8/EX8.10/Ex8_10.sce b/3840/CH8/EX8.10/Ex8_10.sce
new file mode 100644
index 000000000..9a2fdd508
--- /dev/null
+++ b/3840/CH8/EX8.10/Ex8_10.sce
@@ -0,0 +1,22 @@
+clear
+//
+//
+//
+
+//Variable declaration
+e=1.6*10**-19    //charge(c)
+ni=1.5*10**16    //particle density(per m**3)
+mew_e=0.14       //electron mobility(m**2/Vs)
+mew_h=0.05       //hole mobility(m**2/Vs)
+D=2.33*10**3     //density(kg/m**3)
+A=28.09          //atomic weight(kg)
+NA=6.025*10**26  //avagadro number 
+
+//Calculation
+N=NA*D/A         //number of atoms
+n=N/10**8        //electron concentration(per m**3)
+p=ni**2/n        //hole concentration(per m**3)
+sigma=e*((n*mew_e)+(p*mew_h))          //conductivity(per ohm m)
+
+//Result
+printf("\n conductivity is %0.1f  per ohm m",sigma)