1 files changed, 16 insertions, 0 deletions
diff --git a/377/CH13/EX13.3/13_3.sce b/377/CH13/EX13.3/13_3.sce
new file mode 100644
index 000000000..c9ad25495
--- /dev/null
+++ b/377/CH13/EX13.3/13_3.sce
@@ -0,0 +1,16 @@
+q=1.6*10^-19;
+Nd=10^18;
+d=500*10^-8;
+d0=20*10^-8;
+c=12.2*8.854*10^-14;  //say c=Єs
+Vp2=q*Nd*((d-d0)^2)/c;
+printf('\n The value of Vp2 is %fV',Vp2);
+disp("Voff=φb0-ΔEc/q-Vp2");
+a=0.85;  //say a=φb0
+b=0.22;  //say b=ΔEc/q
+Voff=a-b-Vp2;
+printf('\n The value of Voff is %fV',Voff);
+disp("ns=Єs*(Vg-Voff)/(q*d)");
+Vg=0;
+ns=c*(Vg-Voff)/(q*d);
+printf('\n The value of ns is %f*10^12 cm^2',ns*10^-12);
+\ No newline at end of file