// Scilab Code Ex9.5 Change in voltage across a G.M. tube: Pg:202 (2008) e= 1.6e-019; // Charge on an electron, coulomb W = 25; // Ionization potential of gas (Ar/N2), eV E = 5e+06; // Energy of incident alpha particles, eV C = 1e-010; // Capacity of the system, farad N = E/W; // Number of ions produced delta_V = N*e/C; // Change in voltage across the G.M. tube, volt printf("\nThe change in voltage across the G.M. tube = %3.1e volt", delta_V); // Result // The change in voltage across the G.M. tube = 3.2e-004 volt