1 files changed, 17 insertions, 0 deletions
diff --git a/1730/CH3/EX3.21/Exa3_21.sce b/1730/CH3/EX3.21/Exa3_21.sce
new file mode 100755
index 000000000..e61b2bb94
--- /dev/null
+++ b/1730/CH3/EX3.21/Exa3_21.sce
@@ -0,0 +1,17 @@
+//Exa3.21
+clc;
+clear;
+close;
+// given data
+T=27;// in degree C
+T=T+273;// in K
+// Let E_C - E_F =E_CF
+E_CF=0.3;// in eV
+// Formula E_C - E_F = k*T*log(n_C/N_D)
+// Let log(n_C/N_D) = L, so
+L=E_CF/T;
+T_desh=55;// in degree C
+T_desh=T_desh+273;// in K
+//At temperature T_desh
+new_fermi_level= T_desh*L;  // where L=log(n_C/N_D)
+disp("The new position of Fermi Level is : "+string(new_fermi_level)+" V");
+\ No newline at end of file