// Scilab Code Ex2.33: Page-93 (2008) clc; clear; E = [2 3 4]; // Coefficients of i, j and k in the electric field, N/C S = [10; 0; 0]; // Coefficients of i, j and k in the area vector, Sq. m phi_E = E*S; // Electric flux through the surface, N-Sq.m/C printf("\nThe electric flux through the surface in YZ plane = %d N-Sq.m/C", phi_E); // Result // The electric flux through the surface in YZ plane = 20 N-Sq.m/C