1 files changed, 15 insertions, 0 deletions
diff --git a/377/CH12/EX12.2/12_2.sce b/377/CH12/EX12.2/12_2.sce
new file mode 100644
index 000000000..8b56a8075
--- /dev/null
+++ b/377/CH12/EX12.2/12_2.sce
@@ -0,0 +1,15 @@
+q=1.6*10^-19;
+Nd=2*10^15;
+a=0.6*10^-4;
+c=12.4*8.854*10^-14;  //say c=Єs
+Vp=q*Nd*a^2/(2*c);
+printf('\n The value of Vp is %fV\n',Vp);
+d=0.026;  //sat d=K*T/q
+Nc=4.7*10^17;
+disp("φn=(K*T/q)*log(Nc/Nd)");
+b=d*log(Nc/Nd);
+printf('\n The value of φn is %fV\n',b);
+disp("Vbi=φb0-φn");
+e=0.89;  //say e=φb0
+Vbi=e-b;
+printf('\n The value of Vbi is %fV\n',Vbi);
+\ No newline at end of file