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+// Scilab code Ex3.2: Pg 80 (2008)

+clc; clear;

+A = 400e-06;              // Cross-sectional area of plate, m^2

+I = 50e-06;              // Source current, A

+t = 3;                   // Flow time of current, s

+// Since electric current is the rate of flow of charge i.e I = Q/t, solving for Q 

+Q = I*t;                 // Amount of charge on plates, C

+//Solving for density of the electric field between the plates

+D = Q/A;                    // Electric field density, C/m^2

+printf("\The charge on the plates = %3d micro-coloumb", Q/1e-06);

+printf("\nThe density of the electric field between the plates = %5.3f C/m-square", D);

+

+// Result

+// The charge on the plates = 150 micro-coloumb

+// The density of the electric field between the plates =0.375 C/m-square