// Exa 1.9 clc; clear; // Given // Referring Fig.1.26 Ifs = 50*10^-6; // Full scale deflection current in Amp Rm = 11; // Meter resistance in Ohms R1 = 3; // Range in Volts R2 = 10; // range in Volts R3 = 30; // Range in Volts // Solution S = 1/Ifs; // Sensitivity in Ohms/V printf('The values of multiplier resistances in the different ranges are :- \n'); printf(' For 3-V range :'); Rs1 = S*R1-Rm; printf('%d k Ohms \n',Rs1/1000); printf(' For 10-V range :'); Rs2 = S*R2-Rm; printf('%d k Ohms \n',Rs2/1000); printf(' For 30-V range :'); Rs3 = S*R3-Rm; printf('%d k Ohms \n',Rs3/1000); //The answer provided in the textbook is wrong for Rs1