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diff --git a/3638/CH12/EX12.3/Ex12_3.jpg b/3638/CH12/EX12.3/Ex12_3.jpg Binary files differnew file mode 100644 index 000000000..9ebf4a4c8 --- /dev/null +++ b/3638/CH12/EX12.3/Ex12_3.jpg diff --git a/3638/CH12/EX12.3/Ex12_3.sce b/3638/CH12/EX12.3/Ex12_3.sce new file mode 100644 index 000000000..0c27c9d4a --- /dev/null +++ b/3638/CH12/EX12.3/Ex12_3.sce @@ -0,0 +1,14 @@ +//Introduction to Fiber Optics by A. Ghatak and K. Thyagarajan, Cambridge, New Delhi, 1999
+//Example 12.3
+//OS=Windows XP sp3
+//Scilab version 5.5.2
+clc;
+clear;
+//given
+epsilon=10.5e-13;//permittivity of Si in F/cm
+d=500e-4;//diameter of Si detector in cm
+w=20e-4;//width of depletion layer in cm
+A=%pi*((d/2)^2);//Area of detector in cm^2
+Cd=epsilon*A/d;//Junction capacitance in F
+mprintf("\n The junction capacitance Cd=%f pF",Cd/1e-12);//division by 10^(-12) to convert into pF
+//The answer provided in the textbook is wrong
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