diff options
Diffstat (limited to '2825/CH2/EX2.5')
| -rwxr-xr-x | 2825/CH2/EX2.5/Ex2_5.sce | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/2825/CH2/EX2.5/Ex2_5.sce b/2825/CH2/EX2.5/Ex2_5.sce new file mode 100755 index 000000000..e08120f5f --- /dev/null +++ b/2825/CH2/EX2.5/Ex2_5.sce @@ -0,0 +1,9 @@ +//Ex2_5 Pg-88
+clc
+disp("sigma_n = u_n*e*N_d")
+e=1.6*1e-19 //electron charge
+sigma=5 //conductivity in mho/cm
+un=3850 //mobility of electrons
+Nd=sigma/(e*un) //concentration
+printf("Number density of donor atoms = %.1f*1e16 per cm^3",Nd*1e-16)
+//the answer in the book is wrong the correct answer is 0.8*1e16 per cm^3
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