summaryrefslogtreecommitdiff
path: root/3768/CH9/EX9.2
diff options
context:
space:
mode:
Diffstat (limited to '3768/CH9/EX9.2')
-rw-r--r--3768/CH9/EX9.2/Ex9_2.sce20
1 files changed, 20 insertions, 0 deletions
diff --git a/3768/CH9/EX9.2/Ex9_2.sce b/3768/CH9/EX9.2/Ex9_2.sce
new file mode 100644
index 000000000..988b2a60d
--- /dev/null
+++ b/3768/CH9/EX9.2/Ex9_2.sce
@@ -0,0 +1,20 @@
+//Example number 9.2, Page number 203
+
+clc;clear;
+close;
+
+//Variable declaration
+e=1.6*10**-19; //charge(c)
+ni=1.5*10**16; //particle density(per m**3)
+mew_e=0.13; //electron mobility(m**2/Vs)
+mew_h=0.048; //hole mobility(m**2/Vs)
+ND=10**23; //density(per m**3)
+//Calculation
+sigma_i=ni*e*(mew_e+mew_h); //conductivity(s)
+sigma=ND*mew_e*e; //conductivity(s)
+P=ni**2/ND; //equilibrium hole concentration(per m**3)
+//Result
+printf("conductivity is %.2e s",sigma_i)
+printf("\n conductivity is %.3e s",sigma)
+printf("\n equilibrium hole concentration is %.2e per m^3",P)
+//answer in the book varies due to rounding off errors